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<title> NASA eClips: OURWORLD  </title> 
<link>http://www.nasa.gov/audience/foreducators/nasaeclips/search.html?terms=&amp;category=1000 </link> 
 <description>NASA eClips : OURWORLD :   Elementary students learn more about Our World through the power of video segments. </description> 
 <language>en-us</language> 
 <copyright>&#xA9; 2009 United States Government as represented by the Administrator of the National Aeronautics and Space Administration.  All Rights Reserved.</copyright> 
 <itunes:author>NASA eClips</itunes:author> 

<itunes:category text="Education"/> 
<itunes:category text="Education"> 
	<itunes:category text="K-12" /> 
</itunes:category> 
<itunes:category text="Science &amp; Medicine"/> 

	<itunes:category text="OURWORLD"/> 
	<itunes:image href="http://www.nasa.gov/images/content/309984main_ourworld-podcast-art.jpg" /> 
	<itunes:explicit>no</itunes:explicit> 
	<itunes:keywords>NASA, education, aerospace, exploration, technology, science, space, engineering, mathematics, astronauts, environment, aviation </itunes:keywords> 
	<itunes:subtitle>  Elementary students learn more about Our World through the power of video segments.</itunes:subtitle> 

 	<itunes:owner> 
	<itunes:name>National Aeronautics and Space Administration</itunes:name> 
	<itunes:email>nasaeclips@nianet.org (NASA eClips)</itunes:email> 
	</itunes:owner> 
		<item>
		<title>Our World: Sunsets and Atmosphere</title>
		<link>http://archive.org/download/NASA_OurWorld_SageIII__HD/NASA_OurWorld_SageIII_4x3.mp4</link>
		<guid>http://archive.org/download/NASA_OurWorld_SageIII__HD/NASA_OurWorld_SageIII_4x3.mp4</guid>
			<pubDate>20 May 2013 14:36:32 EDT</pubDate>
			<description>How is NASA using SAGE III to help us learn about the air we breathe?  See how the colors of sunsets tell us about the particles in the air. Find out how putting an instrument on the International Space Station will allow NASA to make repeated measurements over time to help us take better care of our atmosphere.</description>
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				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NIA, eClips, Our World, Elementary, Video, Education, Technology, Science, Engineering,  Energy, Matter, Earth Patterns, Cycles, and Change, Earth/Space Systems, sunsets, light, colors, atmosphere, rainbow, scattering, reflect, bend, absorption, aerosols, SAGE III, Marilee Roell, Amy Thornhill, Kristyn Damadeo </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Mission Patches</title>
		<link>http://www.archive.org/download/NASA_Our_World_Mission_Patches_HD/NASA_Our_World_Mission_Patches_cropped_Med.mp4</link>
		<guid>http://www.archive.org/download/NASA_Our_World_Mission_Patches_HD/NASA_Our_World_Mission_Patches_cropped_Med.mp4</guid>
			<pubDate>2011-10-25 14:48:38</pubDate>
			<description>See how NASA astronauts design their mission patches to tell the story of each shuttle mission.  The astronauts must choose pictures, colors, and symbols that explain the importance of the mission and represent each of the astronauts on the team.  </description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/NASA_Our_World_Mission_Patches_HD/NASA_Our_World_Mission_Patches_cropped_Med.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NIA, eClips, Our World, Elementary, Video, Education, Technology, Science, Engineering, mission patches, astronauts, space shuttle, Because It Flew, teamwork, Robert McCall, graphic artists, Al Drew, Hubble, cupola, ISS, art; models, BIF, Al Drew </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Meet the Orbiters</title>
		<link>http://www.archive.org/download/NASA_Our_World_Meet_The_Orbiters_HD/NASA_Our_World_Meet_The_Orbiter_cropped_Med.mp4</link>
		<guid>http://www.archive.org/download/NASA_Our_World_Meet_The_Orbiters_HD/NASA_Our_World_Meet_The_Orbiter_cropped_Med.mp4</guid>
			<pubDate>25 Oct 2011 14:49:07 EDT</pubDate>
			<description>Join Orby, the Orbiter, as she shares some fun facts about NASA&#8217;s space shuttles. Did you know the shuttles traveled more than 826 million kilometers? Or that each shuttle was named after an important sailing ship? Find out where the shuttles will find a home now that they have been retired.  </description>
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				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NIA, eClips, Our World, Elementary, Video, Education, Technology, Science, Engineering, astronauts, space shuttle, Because It Flew, Al Drew, orbiters, space transportation system, parachutes, drogue chutes, sailing ships, Columbia, Challenger, Discovery, Atlantis, Endeavour, Enterprise, Smithsonian, Udvar-Hazy Center, California Science Center, Kennedy Space Center Visitor Complex, Intrepid Sea, Air and Space Museum, Richard Jones, BIF </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Moons In Our Solar System</title>
		<link>http://www.archive.org/download/NASA_Our_World_Moons_HD/NASA_Our_World_Moons_cropped.mp4</link>
		<guid>http://www.archive.org/download/NASA_Our_World_Moons_HD/NASA_Our_World_Moons_cropped.mp4</guid>
			<pubDate>07 Feb 2013 12:36:13 EST</pubDate>
			<description>Did you know astronomers have identified more than 300 moons in our solar system?  How big is Ganymede?  How small is Deimos?  Which moons might have what it takes to support life? Follow the NASA missions to learn about these unique bodies in space.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/NASA_Our_World_Moons_HD/NASA_Our_World_Moons_cropped.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NIA, eClips, Our World, Elementary, Video, Education, Technology, Science, Engineering, solar system, planets, moon, planetary science, inner planets, outer planets, gas giant, Ganymede, Deimos, Europa, Mimas, Titan, Enceladus, Saturn, Mercury, Jupiter, Saturn, hydrological cycle, craters, ethane, methane, geyser </itunes:keywords>
			</item>  
		<item>
		<title>Our World: What Is the Solar System?</title>
		<link>http://www.archive.org/download/NASA_eClips_Solar_System_HD/NASA_eClips_Solar_System_HD_512kb.mp4</link>
		<guid>http://www.archive.org/download/NASA_eClips_Solar_System_HD/NASA_eClips_Solar_System_HD_512kb.mp4</guid>
			<pubDate>07 Feb 2013 12:34:32 EST</pubDate>
			<description>Find out why one amateur astronomer created an amazing graphic of the 88 largest objects in our solar system. Learn just what makes up a solar system and find out how we classify the thousands of objects in our own solar system.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/NASA_eClips_Solar_System_HD/NASA_eClips_Solar_System_HD_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NIA, eClips, Our World, elementary, video, education, technology, science, engineering, solar system, sun, planets, gravity, star, moon, asteroids, Pluto, New Horizons, classification, patterns, size, dwarf planet, astronomer </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Eyes in the Sky</title>
		<link>http://www.archive.org/download/NASA_Our_World_Eye_In_The_Sky_HD/NASA_Our_World_Eye_In_The_Sky_HD_512kb.mp4</link>
		<guid>http://www.archive.org/download/NASA_Our_World_Eye_In_The_Sky_HD/NASA_Our_World_Eye_In_The_Sky_HD_512kb.mp4</guid>
			<pubDate>15 Mar 2011 13:26:21 EDT</pubDate>
			<description>Learn about amazing Astronaut Earth Photography. See sand dunes, oceans, large man-made structures, clouds, mountains and even sunrises and sunsets in photos taken by the astronauts on-board the International Space Station. Find out how you can be part of NASA's Earth Kam program.</description>
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				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA eClips, NIA, Our World, elementary, video, education, technology, science, engineering, geography, social studies, Teaching From Space, TFS, International Space Station, ISS, Earth Kam, camera, astronauts, terrain </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Communications in Space</title>
		<link>http://www.archive.org/download/NASA_eClips_Our_World_Communication_HD/NASA_eClips_Our_World_Communication_cropped_Med.mp4</link>
		<guid>http://www.archive.org/download/NASA_eClips_Our_World_Communication_HD/NASA_eClips_Our_World_Communication_cropped_Med.mp4</guid>
			<pubDate>2010-08-05 12:45:48</pubDate>
			<description>Communication is very important for astronauts on the International Space Station (ISS). Learn about the many ways that astronauts can communicate with people on Earth while they are on-board the ISS.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/NASA_eClips_Our_World_Communication_HD/NASA_eClips_Our_World_Communication_cropped_Med.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, eClips, NIA, Our World, elementary, video, education, communication, ISS, satellites, orbit, TFS </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Learning about Astronaut Gloves and Tools On-Board the International Space Station</title>
		<link>http://www.archive.org/download/NASA_eClips_Our_World_Spacesuit_2_HD/NASA_eClips_Our_World_Spacesuits_2_cropped_Med.mp4</link>
		<guid>http://www.archive.org/download/NASA_eClips_Our_World_Spacesuit_2_HD/NASA_eClips_Our_World_Spacesuits_2_cropped_Med.mp4</guid>
			<pubDate>18 Jun 2010 16:23:26 EDT</pubDate>
			<description>Join Astronaut Sandy Magnus on-board the International Space Station as she explains how the astronauts use special tools in space and why astronaut gloves are so important.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/NASA_eClips_Our_World_Spacesuit_2_HD/NASA_eClips_Our_World_Spacesuits_2_cropped_Med.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NIA, eClips, Our World, Elementary, Video, Education, Technology, Science, Engineering, Teaching From Space, TFS, International Space Station, ISS, gloves, spacesuits, astronauts, tools, spacewalks </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Learning About Astronaut Suits On-Board the International Space Station</title>
		<link>http://www.archive.org/download/NASA_eClips_Our_World_Spacesuit_A_HD/NASA_eClips_Our_World_Spacesuits_A_cropped_Med.mp4</link>
		<guid>http://www.archive.org/download/NASA_eClips_Our_World_Spacesuit_A_HD/NASA_eClips_Our_World_Spacesuits_A_cropped_Med.mp4</guid>
			<pubDate>15 Jun 2010 14:45:21 EDT</pubDate>
			<description>Join Astronaut Sandy Magnus on-board the International Space Station as she explains why astronauts must sometimes work outside their spacecraft.  Learn about the protective suits worn by the astronauts on these spacewalks.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/NASA_eClips_Our_World_Spacesuit_A_HD/NASA_eClips_Our_World_Spacesuits_A_cropped_Med.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NIA, eClips, Our World, Elementary, Video, Education, Technology, Science, Engineering, Teaching From Space, TFS, International Space Station, ISS, spacesuits, astronauts, spacewalks, flexible, design </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Plants in Space</title>
		<link>http://www.archive.org/download/OurWorldPlantsInSpace/NASA_eClips_Our_World_Plants_cropped_Med.mp4</link>
		<guid>http://www.archive.org/download/OurWorldPlantsInSpace/NASA_eClips_Our_World_Plants_cropped_Med.mp4</guid>
			<pubDate>09 Apr 2013 16:34:50 EDT</pubDate>
			<description>Find out how plants use light to make their own food in a process called photosynthesis.  See how NASA uses LED lights to help grow plants in space.  Design your own plant growth chamber like the ones used by NASA.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/OurWorldPlantsInSpace/NASA_eClips_Our_World_Plants_cropped_Med.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NIA, eClips, Our World, Elementary, Video, Education, Technology, Science, Engineering, Biology, Life Science, plants, photosynthesis, visible light, color, plant growth chamber, leaves, LED lights, tropism, stimulus </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Sleeping On-Board the International Space Station</title>
		<link>http://www.archive.org/download/OurWorldSleepingOnBoardTheInternationalSpaceStation/Ow41sleepingClean_1_512kb.mp4</link>
		<guid>http://www.archive.org/download/OurWorldSleepingOnBoardTheInternationalSpaceStation/Ow41sleepingClean_1_512kb.mp4</guid>
			<pubDate>09 Apr 2013 16:29:16 EDT</pubDate>
			<description>Join astronauts on board the International Space Station, or ISS, to learn about living in space. Explore the inside of a Temporary Sleep Space, or TESS, and see the astronauts' sleeping bags. Learn how the astronauts do personal hygiene tasks like brushing their teeth or shaving.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/OurWorldSleepingOnBoardTheInternationalSpaceStation/Ow41sleepingClean_1_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, eClips, NIA, Our World, elementary, video, education, technology, science, engineering, space, International Space Station, ISS, health, hygiene, teeth, sleep, breakfast, gravity, Teaching From Space, TFS, TESS, system, energy </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Gravity in Space</title>
		<link>http://www.archive.org/download/OurWorldGravityInSpace/Ow48gravityoc-mpeg4ForNasa.mp4</link>
		<guid>http://www.archive.org/download/OurWorldGravityInSpace/Ow48gravityoc-mpeg4ForNasa.mp4</guid>
			<pubDate>19 Mar 2013 14:03:44 EDT</pubDate>
			<description>What is gravity? Find out about the balance between gravity and inertia that keeps the International Space Station in orbit. Learn why astronauts "float" in space and how the space shuttle has to slow down in order to come back to Earth.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/OurWorldGravityInSpace/Ow48gravityoc-mpeg4ForNasa.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NASA eClips, NIA, Our World, elementary, engineering, video, education, technology, science, Earth, space, inertia, gravity, International Space Station, ISS, shuttle, orbits, thrusters, Newton, laws of motion, buoyancy, force, energy </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Wind Tunnels in Action</title>
		<link>http://www.archive.org/download/OurWorldWindTunnelsInAction/OW47WindTunnels0317.mp4</link>
		<guid>http://www.archive.org/download/OurWorldWindTunnelsInAction/OW47WindTunnels0317.mp4</guid>
			<pubDate>19 Mar 2013 14:02:09 EDT</pubDate>
			<description>Join NASA scientists and engineers at NASA Langley Research Center, one of the most extensive wind tunnel facilities in the world, as they study air flow around objects at different wind speeds. Learn what kinds of objects can be tested in the various kinds of wind tunnels.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/OurWorldWindTunnelsInAction/OW47WindTunnels0317.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NIA, eClips, Our World, Elementary, Video, Education, Technology, Science, Engineering, aeronautics, airplanes, wind tunnels, transonic, supersonic, hypersonic, subsonic, speed of sound, Langley, testing, programs, aerodynamics, fluid, fluid dynamics, Bernouilli, flow, gravity, particles, matter </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Journaling in Space</title>
		<link>http://www.archive.org/download/OurWorldJournalingInSpace/Ow44jornalingOc.mp4</link>
		<guid>http://www.archive.org/download/OurWorldJournalingInSpace/Ow44jornalingOc.mp4</guid>
			<pubDate>07 Feb 2013 12:37:20 EST</pubDate>
			<description>Learn how famous explorers, scientists and even NASA use journals and science notebooks to record observations about Our World. See why journaling is important on the International Space Station to record how the astronauts react to living in space.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/OurWorldJournalingInSpace/Ow44jornalingOc.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NASA eClips, NIA, Our World, elementary, education, video, technology, science, engineering, space, International Space Station, ISS, journals, science notebooks, exploration, explorers, astronauts, communication, Language Arts, social studies, Lewis, Clark, Earhart, Carver </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Honeybees</title>
		<link>http://www.archive.org/download/OurWorldHoneybees_686/Ow39honeybeesOc.mp4</link>
		<guid>http://www.archive.org/download/OurWorldHoneybees_686/Ow39honeybeesOc.mp4</guid>
			<pubDate>09 Apr 2013 16:36:26 EDT</pubDate>
			<description>Join NASA scientists and beekeepers in a citizen science project to collect important data about climate change.  Learn how honeybees pollinate over 130 crops in the United States each year and what NASA is doing to help study the decline in bee populations.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/OurWorldHoneybees_686/Ow39honeybeesOc.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NIA, eClips, Our World, elementary, video, education, technology, science, engineering, biology, life science, meteorology, climate, honeybees, nectar, pollination, pollen, plants, reproduce, insects, arthropod, habitat, beekeeper, peak bloom, crops, pollinator, climate, virus, honey </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Careers at NASA - More than Just Astronauts!</title>
		<link>http://www.archive.org/download/OurWorldCareersAtNasa-MoreThanJustAstronauts/OW38ScienceCareer0405.mp4</link>
		<guid>http://www.archive.org/download/OurWorldCareersAtNasa-MoreThanJustAstronauts/OW38ScienceCareer0405.mp4</guid>
			<pubDate>19 Mar 2013 13:44:09 EDT</pubDate>
			<description>Explore some of the unique career opportunities at NASA. Learn how NASA internships and co-op programs influenced scientists and engineers working on exploration projects today. Find out how you can be part of NASA, too!</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/OurWorldCareersAtNasa-MoreThanJustAstronauts/OW38ScienceCareer0405.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NIA, eClips, Our World, Elementary, Video, Education, Technology, Science, Engineering, space, careers, underwater laboratory, internships, co-op programs, learning, students, energy, water </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Snowflakes</title>
		<link>http://www.archive.org/download/OurWorldSnowflakes/Ow37snowflakesoc-mpeg4ForNasa.mp4</link>
		<guid>http://www.archive.org/download/OurWorldSnowflakes/Ow37snowflakesoc-mpeg4ForNasa.mp4</guid>
			<pubDate>19 Mar 2013 13:42:52 EDT</pubDate>
			<description>Snowflakes are actually a history of what was happening in the atmosphere as the snowflake formed and fell to the ground. Find out how you can help NASA scientists study different types of snowflakes to learn about the atmosphere and changes in climate.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/OurWorldSnowflakes/Ow37snowflakesoc-mpeg4ForNasa.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NASA eClips, NIA, Our World, elementary, video, education, technology, science, Earth, space, snowflakes, history of winter, HOW, water vapor, clouds, dust, humidity, snow, Earth systems, climate, atmosphere, system, water cycle, weather, cold </itunes:keywords>
			</item>  
		<item>
		<title>Our World: NASA at Jamestown</title>
		<link>http://www.archive.org/download/OurWorldNasaAtJamestown_206/Ow27jamestownOc.mp4</link>
		<guid>http://www.archive.org/download/OurWorldNasaAtJamestown_206/Ow27jamestownOc.mp4</guid>
			<pubDate>19 Mar 2013 13:16:30 EDT</pubDate>
			<description>See how astronauts today compare to explorers of old. Find out how NASA technologies are being used to help archaeologists in Historic Jamestowne to learn more about the artifacts they are uncovering without damaging the artifacts.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/OurWorldNasaAtJamestown_206/Ow27jamestownOc.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, eClips, NIA, Our World, elementary, video, education, technology, engineering, science, physical science, Jamestown, Virginia, settlement, archaeology, archaeologists, colonial, artifacts, slate, x-ray, scanner, explorers, astronauts, history, social studies, habitats, town, energy, force </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Recycling on the International Space Station</title>
		<link>http://www.archive.org/download/OurWorldRecyclingOnTheInternationalSpaceStation/Ow45recyclingClean_512kb.mp4</link>
		<guid>http://www.archive.org/download/OurWorldRecyclingOnTheInternationalSpaceStation/Ow45recyclingClean_512kb.mp4</guid>
			<pubDate>09 Apr 2013 16:27:50 EDT</pubDate>
			<description>Join engineers at NASA and astronauts on board the International Space Station to learn about the importance of recycling. Find out how NASA is solving the challenge of giving astronauts water to use without wasting any with the new Water Recovery System.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/OurWorldRecyclingOnTheInternationalSpaceStation/Ow45recyclingClean_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, eClips, NIA, Our World, elementary, video, education, technology, engineering, science, physical science, life science, space, International Space Station, ISS, Teaching From Space, TFS, recycling, water, oxygen, life support, Water Recovery System, space operations, health </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Changing Theories - The Scientific Method in Action</title>
		<link>http://www.archive.org/download/OurWorldChangingTheories-TheScientificMethodInAction/Ow32changingtheoriesClean-skv_512kb.mp4</link>
		<guid>http://www.archive.org/download/OurWorldChangingTheories-TheScientificMethodInAction/Ow32changingtheoriesClean-skv_512kb.mp4</guid>
			<pubDate>19 Mar 2013 13:28:10 EDT</pubDate>
			<description>See how scientists develop ideas about the universe, then set out to prove what they think is right. Often this search leads to new questions and new discoveries. Find out how the Mars Phoenix Lander has changed what NASA scientists believe about Mars.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/OurWorldChangingTheories-TheScientificMethodInAction/Ow32changingtheoriesClean-skv_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NASA eClips, NIA, Our World, elementary, video, education, engineering, technology, science, Earth, space, Copernicus, Galileo, moon phases, hypothesis, scientific method, observations, questions, Mars, Phoenix, Mariner, process, problem solving, testing, discovery </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Pluto - Our First Dwarf Planet</title>
		<link>http://www.archive.org/download/OurWorldPluto-OurFirstDwarfPlanet/Ow50plutoClean_512kb.mp4</link>
		<guid>http://www.archive.org/download/OurWorldPluto-OurFirstDwarfPlanet/Ow50plutoClean_512kb.mp4</guid>
			<pubDate>09 Apr 2013 16:33:15 EDT</pubDate>
			<description>With more powerful telescopes, scientists are discovering smaller objects in our solar system. Find out how scientists now classify planets. See how NASA's robotic spacecraft, New Horizons, will help us learn more about the dwarf planet Pluto and similar objects in the Kuiper Belt.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/OurWorldPluto-OurFirstDwarfPlanet/Ow50plutoClean_512kb.mp4"  /> 
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			</item>  
		<item>
		<title>Our World: On-Board the International Space Station</title>
		<link>http://www.archive.org/download/nasa_eclips_110209/OW40ISS_Clean_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_110209/OW40ISS_Clean_512kb.mp4</guid>
			<pubDate>19 Mar 2013 13:49:40 EDT</pubDate>
			<description>Learn about the global cooperation to build the International Space Station, or ISS. Use a simple scale model to demonstrate the amazing mathematical relationship between the Earth and moon and see how the low-Earth orbit of ISS compares.
</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_110209/OW40ISS_Clean_512kb.mp4"  /> 
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			<itunes:keywords> NASA, NASA eClips, Our World, NIA, elementary, video, technology, science, education, engineering, mathematics, Earth, space, International Space Station, ISS, scale, low-Earth orbit, distance, laboratory, scale model, scientific investigation, sharing, concepts, metric, measurement </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Snowpits</title>
		<link>http://www.archive.org/download/nasa_eclips_100909/OW49SnowPitsCC_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_100909/OW49SnowPitsCC_512kb.mp4</guid>
			<pubDate>19 Mar 2013 14:04:49 EDT</pubDate>
			<description>Learn about adaptations that help animals survive in winter biomes. See how scientists build snowpits to investigate these unique environments. Find out why NASA is interested in snow and ice.
</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_100909/OW49SnowPitsCC_512kb.mp4"  /> 
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			<itunes:keywords> NASA, NASA eClips, NIA, Our world, elementary, video, education, engineering, technology, science, snow, winter, biomes, adaptation, Lake Placid, snowpits, Earth, weather patterns, History of Winter, HOW, life cycle </itunes:keywords>
			</item>  
		<item>
		<title>Our World: The Rock Cycle</title>
		<link>http://www.archive.org/download/nasa_eclips_081009/OW43_RockCycle_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_081009/OW43_RockCycle_512kb.mp4</guid>
			<pubDate>09 Apr 2013 11:43:35 EDT</pubDate>
			<description>Find out how rocks brought to Earth by the Apollo astronauts have helped NASA learn more about the rock cycle. Compare igneous, sedimentary and metamorphic rocks found on Earth to three types of rocks found on the moon.
</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_081009/OW43_RockCycle_512kb.mp4"  /> 
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			<itunes:keywords> NASA, NASA eClips, NIA, Our World, elementary, education, video, science, rocks, moon, cycle, igneous, metamorphic, sedimentary, Breccia, basalt, Apollo, volcanic, heat, weathering, change, environment </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Arecibo - The Largest Radio Telescope on Earth</title>
		<link>http://www.archive.org/download/nasa_eclips_081009/OW42_Subrip_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_081009/OW42_Subrip_512kb.mp4</guid>
			<pubDate>19 Mar 2013 13:51:42 EDT</pubDate>
			<description>Learn about radio waves, a special type of light that has a longer wavelength and less energy than  the light we see. Find out how NASA uses radio waves to learn more about the universe and our own atmosphere with a giant telescope in Puerto Rico.
</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_081009/OW42_Subrip_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NASA eClips, NIA, Our World, elementary, video, science, education, Galileo, Hubble, telescopes, radio, light, astronomy, Jupiter, diameter, radio waves, electromagnetic spectrum, atmosphere, travel, energy, photons </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Lunar Rock</title>
		<link>http://www.archive.org/download/OurWorldLunarRock/Ow35lunarrockfixOc.mp4</link>
		<guid>http://www.archive.org/download/OurWorldLunarRock/Ow35lunarrockfixOc.mp4</guid>
			<pubDate>19 Apr 2013 14:17:45 EDT</pubDate>
			<description>Learn about NASA's Lunar Sample Laboratory Facility at Johnson Space Center in Houston, Texas.  See how NASA protects these precious moon rocks brought to Earth by the Apollo astronauts.  Explore the special storage boxes filled with nitrogen where the moon rocks are kept.  </description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/OurWorldLunarRock/Ow35lunarrockfixOc.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NIA, eClips, Our World, Elementary Education, Video, Science, education, Elementary, Rocks, Moon, JSC, Glove boxes, Apollo, special, rare, nitrogen, Earth </itunes:keywords>
			</item>  
		<item>
		<title>Our World:  Stardust</title>
		<link>http://www.archive.org/download/nasa_eclips_073109/OW28_Stardust_clean_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_073109/OW28_Stardust_clean_512kb.mp4</guid>
			<pubDate>19 Apr 2013 14:18:17 EDT</pubDate>
			<description>Visit a lab at NASA's Johnson Space Center where scientists study meteorites.  Learn how aerogel, the lightest material in the world helped capture pieces of a comet and return the comet dust to Earth. See what scientists can learn about our universe from these tiny particles.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_073109/OW28_Stardust_clean_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NIA, eClips, Our World, Elementary, Education, Video, Science, Comets, Stardust , Aerogel, Wild 2, Meteorite, Universe, Antarctica, asteroid, friction, atmosphere, compounds </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Challenges of Exploration - The Right Vehicle for the Job</title>
		<link>http://www.archive.org/download/nasa_eclips_060809/OW33_clean_ff_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_060809/OW33_clean_ff_512kb.mp4</guid>
			<pubDate>19 Mar 2013 13:29:47 EDT</pubDate>
			<description>Learn about the challenges of exploring the surface of Mars. Find out how NASA uses science and math to successfully design the type of vehicle needed for specific missions. See why scientists refer to entry, descent and landing as "seven minutes of terror."</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_060809/OW33_clean_ff_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NASA eClips, Our World, NIA, Mars, Lander, Phoenix, orbiter, Rover, UAV, entry, descent, engineering, science, math, design, problem solving, seven minutes of terror, exploration, force, motion, calculation </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Observatories on Mauna Kea</title>
		<link>http://www.archive.org/download/nasa_eclips_060809/OW23MaunaKea0602_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_060809/OW23MaunaKea0602_512kb.mp4</guid>
			<pubDate>19 Mar 2013 13:07:54 EDT</pubDate>
			<description>Learn all about the optical telescopes on the summit of Mauna Kea in Hawaii. Find out why astronomers prefer the thin atmosphere found here and compare Earth-based telescopes to space telescopes like Hubble.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_060809/OW23MaunaKea0602_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NASA eClips, Our World, NIA, astronomy, astronomers, Hubble, optical, observatories, binocular vision, light, pollution, atmosphere, Mauna Kea, Hawaii, ultraviolet, infrared, Galileo, telescope </itunes:keywords>
			</item>  
		<item>
		<title>Our World: NASA and the Super Suit</title>
		<link>http://www.archive.org/download/nasa_eclips_052809/OW34SuperSuit_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_052809/OW34SuperSuit_512kb.mp4</guid>
			<pubDate>19 Mar 2013 13:30:59 EDT</pubDate>
			<description>Learn how Speedo contacted NASA to help them test the best material possible for the new Olympic swimsuits. Find out how drag affects swimmers and how NASA could test the material for the suits in a wind tunnel.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_052809/OW34SuperSuit_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NASA eClips, Our World, NIA, Speedo, swimsuits, wind, tunnels, Olympics, drag, friction, force, motion, energy, speed, material </itunes:keywords>
			</item>  
		<item>
		<title>Our World: How Do You Get a Plane to Mars?</title>
		<link>http://www.archive.org/download/nasa_eclips_052809/OW25Aeroshell_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_052809/OW25Aeroshell_512kb.mp4</guid>
			<pubDate>19 Mar 2013 13:12:58 EDT</pubDate>
			<description>Airplanes cannot fly to Mars, so how do you get a plane to Mars so it can soar above the surface and collect interesting data about the Martian atmosphere? Learn about the protective case or aeroshell created to get Ares to Mars.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_052809/OW25Aeroshell_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NASA eClips, Our World, NIA, Mars, aeroshell, airplane, aeronautics, atmosphere, friction, force, motion, energy, compounds, insulator </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Chandra - Exploring the Invisible Universe</title>
		<link>http://www.archive.org/download/nasa_eclips_052809/OW21Chandra_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_052809/OW21Chandra_512kb.mp4</guid>
			<pubDate>09 Apr 2013 16:31:04 EDT</pubDate>
			<description>Learn why NASA put the Chandra X-Ray Observatory far away from Earth's atmosphere to capture images of the x-rays given off by objects under certain violent conditions. Scientists use those images to learn about our universe.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_052809/OW21Chandra_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NASA eClips, Our World, NIA, Chandra, observatory, telescope, x-rays, electromagnetic spectrum, visible light, atmosphere, dark matter </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Investigating Mars with the Phoenix Lander</title>
		<link>http://www.archive.org/download/nasa_eclips_052609/OW31InvestigatingMars_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_052609/OW31InvestigatingMars_512kb.mp4</guid>
			<pubDate>19 Mar 2013 13:27:04 EDT</pubDate>
			<description>Find out about the amazing new discoveries made on Mars with the Phoenix Lander. See how Phoenix uncovered water ice on Mars. Learn about habitability and the difference between a day on Earth and a sol on Mars.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_052609/OW31InvestigatingMars_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NASA eClips, Our World, NIA, Mars, Phoenix, lander, habitability, soil, water, life, ice, sols, rotation, energy, cycle, water cycle, day, discovery </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Fluid Shift</title>
		<link>http://www.archive.org/download/nasa_eclips_052609/OW46FluidShift_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_052609/OW46FluidShift_512kb.mp4</guid>
			<pubDate>19 Mar 2013 14:00:39 EDT</pubDate>
			<description>Learn about the circulatory system and how gravity aids blood flow in our bodies here on Earth. Find out how NASA flight surgeons help the astronauts deal with the fluid shift that happens during spaceflight.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_052609/OW46FluidShift_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NASA eClips, NIA, Our World, elementary, blood, plasma, suspension, gravity, astronauts, circulatory system, fluid shift, spaceflight, system, liquid, temperature, heart </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Exercise Equipment</title>
		<link>http://www.archive.org/download/nasa_eclips_051309/OW36Ex_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_051309/OW36Ex_512kb.mp4</guid>
			<pubDate>19 Mar 2013 13:41:32 EDT</pubDate>
			<description>Learn about the exercise equipment used by the astronauts in space to keep astronauts fit and healthy. Compare this equipment to the exercise equipment we use here on Earth.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_051309/OW36Ex_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NASA eClips, Our World, NIA, exercise, astronauts, gravity, equipment, stationary bicycle, treadmill, health, living, exercise, energy, heart rate </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Exercise in Space</title>
		<link>http://www.archive.org/download/nasa_eclips_051309/OW30Ex_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_051309/OW30Ex_512kb.mp4</guid>
			<pubDate>19 Mar 2013 13:25:28 EDT</pubDate>
			<description>Find out why exercise is so important to the astronauts who travel into space. Learn how gravity affects our bodies and what astronauts must do in reduced gravity environments to keep their bodies healthy.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_051309/OW30Ex_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, eClips, Our World, NIA, exercise, astronauts, gravity, circulatory system, heart, health, life processes, energy, measurement, system </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Life on Other Worlds</title>
		<link>http://www.archive.org/download/nasa_eclips_051309/OW26ET_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_051309/OW26ET_512kb.mp4</guid>
			<pubDate>19 Mar 2013 13:14:57 EDT</pubDate>
			<description>Explore the possibility of fiding life on other planets. See how NASA's search for water on Mars proved successful with the Phoenix Lander. Find out about extremophiles and what makes a habitable zone for life as we know it.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_051309/OW26ET_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NASA eClips, Our World, NIA, elementary, extraterrestrial, Mars, water, habitable zone, Spirit, Opportunity, Phoenix Lander, microbes, Arctic, extremophiles, thermophile, halophile, habitat, oxygen, patterns </itunes:keywords>
			</item>  
		<item>
		<title>Our World: NASA's Lunar Electric Rover</title>
		<link>http://www.archive.org/download/nasa_eclips_040709/OW_LER_oc_ff_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_040709/OW_LER_oc_ff_512kb.mp4</guid>
			<pubDate>19 Apr 2013 14:18:53 EDT</pubDate>
			<description>When astronauts return to the moon, they will need to be able to move around on the surface. Learn about NASA's Lunar Electric Rover, or LER, that will solve problems with pressurization, moon dust and mobility.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_040709/OW_LER_oc_ff_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NASA eClips, Our World, NIA, rovers, moon, lunar, astronauts, pressure, dust, mobility, LER, force, electricity, energy </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Cloud Inspection</title>
		<link>http://www.archive.org/download/nasa_eclips_032709/OW_Cloud_Inspection_oc_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_032709/OW_Cloud_Inspection_oc_512kb.mp4</guid>
			<pubDate>19 Mar 2013 13:24:22 EDT</pubDate>
			<description>Find out why scientists and meteorologists study clouds and what tools they use to collect data about the effect of clouds on Earth's climate. Learn to tell the difference between cirrus, stratus and cumulus clouds.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_032709/OW_Cloud_Inspection_oc_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, clouds, climate, weather, meteorologists, cirrus, stratus, cumulus, water cycle, energy, sun, atmosphere, lithosphere </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Cool Clouds</title>
		<link>http://www.archive.org/download/nasa_eclips_022709/OW_Cool_Clouds_oc_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_022709/OW_Cool_Clouds_oc_512kb.mp4</guid>
			<pubDate>19 Mar 2013 13:05:53 EDT</pubDate>
			<description>Learn how clouds are formed and watch an experiment to make a cloud using liquid nitrogen. Find out how scientists classify clouds according to their altitude and how clouds reflect and absorb light, giving them different colors.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_022709/OW_Cool_Clouds_oc_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, clouds, classification, CERES, light, precipitation, fog, weather, cycle, patterns </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Constellation: NASA's Next Generation Spacecraft</title>
		<link>http://www.archive.org/download/nasa_eclips_022709/OW_Orion_oc_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_022709/OW_Orion_oc_512kb.mp4</guid>
			<pubDate>27 Jul 2009 14:36:42 EDT</pubDate>
			<description>Get an up-close look at the spacecraft that will replace the shuttle. Explore the different components of the Constellation Program. Learn about Ares I, Ares V, Orion and Altair and the role each will play as we return to the moon.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_022709/OW_Orion_oc_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, NASA eClips, Our World, NIA, Constellation, Shuttle, Orion, Ares, Altair, spacecraft </itunes:keywords>
			</item>  
		<item>
		<title>Our World: The Sun, A Real Star</title>
		<link>http://www.archive.org/download/nasa_eclips_022709/OW_THE_SUN_ff_oc_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_022709/OW_THE_SUN_ff_oc_512kb.mp4</guid>
			<pubDate>11 Mar 2013 15:44:37 EDT</pubDate>
			<description>Learn about the important relationship between Earth and the sun. Find out about the layers of the sun and how Earth's magnetosphere acts like a giant handkerchief to protect us from all kinds of space weather.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_022709/OW_THE_SUN_ff_oc_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, sun, magnetosphere, photosphere, corona, solar flares, CME, auroras, space weather, radiation, heat, energy, sunlight, earth </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Hubble History</title>
		<link>http://www.archive.org/download/nasa_eclips_022309/OW_Hubble_History_oc.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_022309/OW_Hubble_History_oc.mp4</guid>
			<pubDate>12 Mar 2013 16:05:38 EDT</pubDate>
			<description>Learn how the Hubble Space Telescope has changed the way scientists look at the universe, without the interference of Earth's atmosphere. Find out how this telescope works and a bit of history about the man for whom it is named.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_022309/OW_Hubble_History_oc.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, Hubble, telescope, atmosphere, universe, atmosphere, technology </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Collecting Data from Mars Using ARES</title>
		<link>http://www.archive.org/download/nasa_eclips_02022009/OW_ARES_oc.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_02022009/OW_ARES_oc.mp4</guid>
			<pubDate>12 Mar 2013 16:03:59 EDT</pubDate>
			<description>Learn about the ARES mission, the unmanned vehicle NASA plans to send to Mars that will fly a mile above the surface collecting data about the red planet.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_02022009/OW_ARES_oc.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, UAV, ARES, Mars, inner planet, solar system, planet, technology, environment </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Going Green? What Does That Mean?</title>
		<link>http://www.archive.org/download/nasa_eclips_02022009/OW_Green_oc_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_02022009/OW_Green_oc_512kb.mp4</guid>
			<pubDate>12 Mar 2013 16:02:05 EDT</pubDate>
			<description>Going green? Find out how "going green" is beneficial to Earth and discover ways YOU can help keep the environment safe.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_02022009/OW_Green_oc_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, environment, going green, NASA eClips, NIA, Our World, videos, science, elementary, interdependent, habitat change, ecosystems </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Unmanned Aerial Vehicles</title>
		<link>http://www.archive.org/download/nasa_eclips_02022009/OW_UAV_oc_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_02022009/OW_UAV_oc_512kb.mp4</guid>
			<pubDate>12 Mar 2013 15:59:56 EDT</pubDate>
			<description>NASA's Unmanned Aerial Vehicles, or planes that fly without pilots, are being used to collect data about Earth.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_02022009/OW_UAV_oc_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, UAV, airplanes, unmanned aerial vehicles, kinetic energy, motion, waves </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Instruments on the Lunar Reconnaissance Orbiter</title>
		<link>http://www.archive.org/download/nasa_eclips_mp4/OW_CathyPeddie_oc_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_mp4/OW_CathyPeddie_oc_512kb.mp4</guid>
			<pubDate>12 Mar 2013 15:54:00 EDT</pubDate>
			<description>Meet Cathy Peddie, a NASA engineer working on the Lunar Reconnaissance Orbiter, or LRO. Discover how the LRO will use color to learn more about the moon.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_mp4/OW_CathyPeddie_oc_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, LRO, moon, Orbiter, color, electromagnetic spectrum, soil, moon makeup </itunes:keywords>
			</item>  
		<item>
		<title>Our World: The Lunar Reconnaissance Orbiter</title>
		<link>http://www.archive.org/download/nasa_eclips_mp4/OW_LRO_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_mp4/OW_LRO_512kb.mp4</guid>
			<pubDate>29 May 2012 09:27:11 EDT</pubDate>
			<description>Learn about the Lunar Reconnaissance Orbiter, or LRO. As it orbits the moon for one year, LRO will collect moon temperatures, determine safe landing sites for future NASA missions and more!</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_mp4/OW_LRO_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, LRO, moon, Orbiter, landing </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Two Eyes on the Sun</title>
		<link>http://www.archive.org/download/nasa_eclips_032709/OW_STEREO_oc_ff_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_032709/OW_STEREO_oc_ff_512kb.mp4</guid>
			<pubDate>12 Mar 2013 15:57:26 EDT</pubDate>
			<description>Learn how NASA launched two satellites to collect data about the sun. Also learn about solar eruptions and how they affect Earth and astronauts in space.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_032709/OW_STEREO_oc_ff_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, STEREO, sun, solar flares, satellites, physical characteristics </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Space Grub</title>
		<link>http://www.archive.org/download/nasa_eclips_mp4/OW_GRUB_oc_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_mp4/OW_GRUB_oc_512kb.mp4</guid>
			<pubDate>12 Mar 2013 15:56:01 EDT</pubDate>
			<description>Discover what types of food astronauts eat in space and how the food must be lightweight, nutritional, take up little space and be long-lasting.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_mp4/OW_GRUB_oc_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, food, astronauts, space, nutrition, life processe, life </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Altair Lunar Lander</title>
		<link>http://www.archive.org/download/nasa_eclips_mp4/OW_ALTAIR_oc_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_mp4/OW_ALTAIR_oc_512kb.mp4</guid>
			<pubDate>11 Mar 2013 16:12:37 EDT</pubDate>
			<description>In this NASA eClip, learn all about the next generation lunar lander, Altair. Altair will carry crew from Orion to the moon and back and house the crew while they are on the moon.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_mp4/OW_ALTAIR_oc_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, Altair, lunar lander, moon, Orion </itunes:keywords>
			</item>  
		<item>
		<title>Our World: A-Train Satellites</title>
		<link>http://www.archive.org/download/nasa_eclips_032709/OW_ATRAIN_oc_ff_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_032709/OW_ATRAIN_oc_ff_512kb.mp4</guid>
			<pubDate>22 Jun 2009 13:52:45 EDT</pubDate>
			<description>The A-Train consists of five satellites orbiting Earth that use the latest NASA technology to study the Earth's system. This segment introduces Aqua, one of the satellites that studies water on Earth.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_032709/OW_ATRAIN_oc_ff_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, A-Train, satellite, AQUA </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Finding Dinosaurs</title>
		<link>http://www.archive.org/download/nasa_eclips_mp4/OW_DINO_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_mp4/OW_DINO_512kb.mp4</guid>
			<pubDate>11 Mar 2013 13:53:25 EDT</pubDate>
			<description>NASA assists paleontologists in finding dinosaurs by using remote sensing technology.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_mp4/OW_DINO_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, dinosaurs, remote, sensing, LIDAR, living organisms, living, animal life cycle, terrestrial, adaptation </itunes:keywords>
			</item>  
		<item>
		<title>Our World: How Sand Protects the Shuttle!</title>
		<link>http://www.archive.org/download/Nasa_eClips_video/OW-Shuttle_Tile_oc_512kb.mp4</link>
		<guid>http://www.archive.org/download/Nasa_eClips_video/OW-Shuttle_Tile_oc_512kb.mp4</guid>
			<pubDate>19 Apr 2013 14:22:27 EDT</pubDate>
			<description>The space shuttle uses sand as a protective covering that withstands extreme temperature changes as it enters and exits Earth's atmosphere. Find out how sand is used in shuttle tiles and as a protective layer to keep the astronauts and the shuttle safe.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/Nasa_eClips_video/OW-Shuttle_Tile_oc_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> NASA, shuttle, heat shield, temperatures, space, energy, kinetic, atmosphere, heat, rock, insulator </itunes:keywords>
			</item>  
		<item>
		<title>Our World: NASA's New Moon Robot</title>
		<link>http://www.archive.org/download/Nasa_eClips_video/OW-ATHLETE_oc_512kb.mp4</link>
		<guid>http://www.archive.org/download/Nasa_eClips_video/OW-ATHLETE_oc_512kb.mp4</guid>
			<pubDate>22 Jun 2009 13:53:57 EDT</pubDate>
			<description>NASA plans to use a six-legged, wheeled robot for missions to the moon and Mars called the All-Terrain Hex-Limbed Extra-Terrestrial Explorer, or Athlete. Athlete will be used to move the astronauts&#8217; habitats and capture images to send back to Earth.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/Nasa_eClips_video/OW-ATHLETE_oc_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> exploration, moon, Athlete, NASA, robots </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Hubble Clothing: Thermal Protection Blankets</title>
		<link>http://www.archive.org/download/nasa_eclips_mp4/OW_Hubble_Clothing_oc_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_mp4/OW_Hubble_Clothing_oc_512kb.mp4</guid>
			<pubDate>11 Mar 2013 15:42:44 EDT</pubDate>
			<description>The Hubble Space Telescope is exposed to extreme temperatures in space, so NASA scientists had to find a thermal material able to protect it from the harsh environment.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_mp4/OW_Hubble_Clothing_oc_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> Hubble, telescope, temperatures, extreme environments, NASA, reflection, kinetic, energy, matter, conductor, technology </itunes:keywords>
			</item>  
		<item>
		<title>Our World: How High Is the Ocean?</title>
		<link>http://www.archive.org/download/nasa_eclips_mp4/OW_JASON2_oc_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_eclips_mp4/OW_JASON2_oc_512kb.mp4</guid>
			<pubDate>11 Mar 2013 13:58:36 EDT</pubDate>
			<description>NASA uses a new satellite called JASON-2 to measure ocean heights.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_eclips_mp4/OW_JASON2_oc_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> ocean, satellites, NASA, change over time, tides, water resources, physical characteristics, human impact </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Monitoring the Earth's Climate with CERES</title>
		<link>http://www.archive.org/download/NASA_eclips/OW-CERES_oc_512kb.mp4</link>
		<guid>http://www.archive.org/download/NASA_eclips/OW-CERES_oc_512kb.mp4</guid>
			<pubDate>11 Mar 2013 14:07:05 EDT</pubDate>
			<description>Learn how scientists use a satellite called CERES to study the clouds and monitor Earth's climate changes.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/NASA_eclips/OW-CERES_oc_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> aviation, space, satellites, clouds, climate, NASA, weather, investigation </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Digging in Moon Dirt</title>
		<link>http://www.archive.org/download/nasa_360/OW_LunarExcavation_OC_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_360/OW_LunarExcavation_OC_512kb.mp4</guid>
			<pubDate>11 Mar 2013 15:35:30 EDT</pubDate>
			<description>NASA scientists are working to develop a machine capable of digging in the fine, razor sharp dirt on the moon. Go behind the scenes at the NASA lunar backhoe competition where researchers compete to find out whose machine rises to the challenge.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_360/OW_LunarExcavation_OC_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> moon surface, regolith, excavator, NASA, solar system, makeup of moon, rock type </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Lunar Habitat - Structure</title>
		<link>http://www.archive.org/download/nasa_360/OurWorld_LunarHabitats_OC_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_360/OurWorld_LunarHabitats_OC_512kb.mp4</guid>
			<pubDate>11 Mar 2013 15:33:13 EDT</pubDate>
			<description>In this NASA video segment, find out about different structures being considered for living on the moon.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_360/OurWorld_LunarHabitats_OC_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> moon, lunar, habitat, inflatable, outpost, living conditions, NASA, natural resources, air quality, resources </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Surface Currents</title>
		<link>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip63_HD_512kb_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip63_HD_512kb_512kb.mp4</guid>
			<pubDate>22 Jun 2009 13:57:05 EDT</pubDate>
			<description>This NASA video segment explains the variables that affect and steer ocean surface currents.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip63_HD_512kb_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> surface current, ocean, variables, environment, NASA </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Why Are Oceans Salty?</title>
		<link>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip61_HD_512kb_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip61_HD_512kb_512kb.mp4</guid>
			<pubDate>22 Jun 2009 13:57:28 EDT</pubDate>
			<description>This NASA video segment explains how oceans were formed, what makes them salty and how they are different than fresh water rivers.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip61_HD_512kb_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> environment, salt water, ocean, fresh water, rivers, NASA </itunes:keywords>
			</item>  
		<item>
		<title>Our World: What Is a Tide?</title>
		<link>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip60_HD_512kb_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip60_HD_512kb_512kb.mp4</guid>
			<pubDate>25 Jan 2010 16:41:50 EST</pubDate>
			<description>The sun, moon and gravity all play a role in the creation of tides and waves. This NASA video segment demonstrates how the three interact to form waves.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip60_HD_512kb_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> gravity, environment, tide, waves, moon, sun, NASA eClips, NIA, Our World, elementary, education, video </itunes:keywords>
			</item>  
		<item>
		<title>Our World: The Moon</title>
		<link>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip42_HD_512kb_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip42_HD_512kb_512kb.mp4</guid>
			<pubDate>22 Jun 2009 13:58:17 EDT</pubDate>
			<description>This NASA video segment looks at the moon and its relationship to Earth.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip42_HD_512kb_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> moon surface, gravity, moon phases, NASA </itunes:keywords>
			</item>  
		<item>
		<title>Our World: How Gears Work</title>
		<link>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip33_HD_512kb_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip33_HD_512kb_512kb.mp4</guid>
			<pubDate>22 Jun 2009 13:58:45 EDT</pubDate>
			<description>This NASA video discusses gears and how they work together as a simple machine. Demonstrations explain primary and follower gears and how different-sized gears affect rotational speeds. Math is used to determine the force produced by meshed gears.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip33_HD_512kb_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> mechanics, simple machine, rotational speed, gears, calculations, meshed, force, axel, speed </itunes:keywords>
			</item>  
		<item>
		<title>Our World: What Is a Cloud?</title>
		<link>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip3_HD_512kb_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip3_HD_512kb_512kb.mp4</guid>
			<pubDate>02 Feb 2011 11:20:14 EST</pubDate>
			<description>This NASA video segment describes the different types of clouds and cloud formation. The relationship between clouds and weather on Earth is demonstrated.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip3_HD_512kb_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> environment, clouds, weather, temperature, earth, NASA </itunes:keywords>
			</item>  
		<item>
		<title>Our World: How Pulleys Work</title>
		<link>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip27_HD_512kb_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip27_HD_512kb_512kb.mp4</guid>
			<pubDate>22 Jun 2009 13:59:30 EDT</pubDate>
			<description>In this NASA video segment an aerospace engineer explains how pulleys work and how they are used to lift and transport the space shuttle.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip27_HD_512kb_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> mechanics, aerospace, space shuttle, transportation, engineer </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Science in the Circus</title>
		<link>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip26_HD_512kb_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip26_HD_512kb_512kb.mp4</guid>
			<pubDate>22 Jun 2009 14:00:01 EDT</pubDate>
			<description>This NASA video segment describes some science principles found at the circus, such as levers and pulleys. Potential energy and kinetic energy are also introduced.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip26_HD_512kb_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> mechanics, potential energy, kinetic energy, simple machines, circus, NASA </itunes:keywords>
			</item>  
		<item>
		<title>Our World: How Elevators Operate</title>
		<link>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip25_HD_512kb_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip25_HD_512kb_512kb.mp4</guid>
			<pubDate>22 Jun 2009 14:00:22 EDT</pubDate>
			<description>Go behind the scenes with a mechanical engineer to learn how elevators operate. This NASA video segment explains how balance, counter weight and traction all play an important role in the operation of elevators.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip25_HD_512kb_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> mechanics, elevators, traction, mechanical engineering, balance, counter weight, NASA </itunes:keywords>
			</item>  
		<item>
		<title>Our World: What Is Work?</title>
		<link>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip24_HD_512kb_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip24_HD_512kb_512kb.mp4</guid>
			<pubDate>22 Jun 2009 14:00:42 EDT</pubDate>
			<description>This NASA video segment explains the relationship between work, force and distance. Sample problems demonstrate how to calculate work.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip24_HD_512kb_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> work, force, distance, calculation, NASA </itunes:keywords>
			</item>  
		<item>
		<title>Our World: What Is Weather?</title>
		<link>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip2_HD_512kb_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip2_HD_512kb_512kb.mp4</guid>
			<pubDate>22 Jun 2009 14:01:03 EDT</pubDate>
			<description>This NASA video segment focuses on the relationship between weather and climate. Learn how heat, air pressure, winds and moisture work together to produce local weather.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip2_HD_512kb_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> environment, weather, wind, air pressure, heat, climate, moisture, NASA </itunes:keywords>
			</item>  
		<item>
		<title>Our World: What Is a Ratio?</title>
		<link>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip16_HD_512kb_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip16_HD_512kb_512kb.mp4</guid>
			<pubDate>22 Jun 2009 14:01:26 EDT</pubDate>
			<description>This NASA video segment explains how ratios are used to compare two numbers. Fractions and ratios are used in example problems.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip16_HD_512kb_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> mathematics, ratio, fractions, numbers, calculate </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Energy and Work</title>
		<link>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip15_HD_512kb_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip15_HD_512kb_512kb.mp4</guid>
			<pubDate>22 Jun 2009 14:01:46 EDT</pubDate>
			<description>This NASA video segment discusses the relationship between energy and work. Ways people try to overcome Earth's gravity in order to do work are explored.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip15_HD_512kb_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> energy, work, gravity, explore, earth, NASA </itunes:keywords>
			</item>  
		<item>
		<title>Our World: What Is a Hurricane?</title>
		<link>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip10_HD_512kb_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip10_HD_512kb_512kb.mp4</guid>
			<pubDate>22 Jun 2009 14:02:08 EDT</pubDate>
			<description>This NASA video segment explains the formation of hurricanes. Go behind the scenes with a meteorologist at the Weather Channel in Atlanta, Georgia to learn how scientists predict hurricanes and hurricane formation.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_flv/NASA_Science_Earth_Clip10_HD_512kb_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> hurricane, weather, meteorologist, scientist, prediction, NASA </itunes:keywords>
			</item>  
		<item>
		<title>Our World: The Importance of Spacesuits</title>
		<link>http://www.archive.org/download/nasa_flv/NASA_Space_Operations_Launch_Services_Clip22_HD_512kb_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_flv/NASA_Space_Operations_Launch_Services_Clip22_HD_512kb_512kb.mp4</guid>
			<pubDate>22 Jun 2009 14:02:31 EDT</pubDate>
			<description>This NASA video segment explains how spacesuits keep astronauts safe while they are in space. Learn about different components of a spacesuit and the importance of each component.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_flv/NASA_Space_Operations_Launch_Services_Clip22_HD_512kb_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> spacesuits, astronauts, safety, space missions, NASA </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Living Conditions in Space</title>
		<link>http://www.archive.org/download/nasa_flv/NASA_Space_Operations_Launch_Services_Clip17_HD_512kb_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_flv/NASA_Space_Operations_Launch_Services_Clip17_HD_512kb_512kb.mp4</guid>
			<pubDate>22 Jun 2009 14:02:51 EDT</pubDate>
			<description>In this NASA video segment, astronauts in orbit compare living conditions in space to life on Earth.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_flv/NASA_Space_Operations_Launch_Services_Clip17_HD_512kb_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> astronauts, living conditions, space, earth, NASA </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Radiation</title>
		<link>http://www.archive.org/download/nasa_flv/NASA_Science_Heliophysics_Clip15_HD_512kb_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_flv/NASA_Science_Heliophysics_Clip15_HD_512kb_512kb.mp4</guid>
			<pubDate>22 Jun 2009 14:03:16 EDT</pubDate>
			<description>This NASA video segment looks at radiation in space and on Earth. Learn about two types of radiation and how NASA engineers are developing better shielding material to protect astronauts during long missions in space.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_flv/NASA_Science_Heliophysics_Clip15_HD_512kb_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> radiation, astronauts, missions, shielding, earth, space missions, NASA </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Traveling to the Moon and Mars</title>
		<link>http://www.archive.org/download/nasa_exploration/NASA_Exploration_Beyond_Exploration_Clip4_HD_512kb_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_exploration/NASA_Exploration_Beyond_Exploration_Clip4_HD_512kb_512kb.mp4</guid>
			<pubDate>09 Nov 2010 09:30:30 EST</pubDate>
			<description>This NASA video segment calculates the distance from Earth to the moon and from Earth to Mars. This video also analyzes the temperature and surface of other planets and explains why Mars is targeted for human exploration.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_exploration/NASA_Exploration_Beyond_Exploration_Clip4_HD_512kb_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> moon, stars, Proxima Centauri, Earth, light years, Mars, temperature, planets, NASA </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Seeing Stars</title>
		<link>http://www.archive.org/download/nasa_flv/NASA_Exploration_Beyond_Exploration_Clip3_HD_512kb_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_flv/NASA_Exploration_Beyond_Exploration_Clip3_HD_512kb_512kb.mp4</guid>
			<pubDate>22 Jun 2009 14:04:01 EDT</pubDate>
			<description>Peer through a telescope's lens for a closer look at planets and star clusters. This NASA video focuses on the habitable zone, the Orion Nebula and the Whirlpool Galaxy.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_flv/NASA_Exploration_Beyond_Exploration_Clip3_HD_512kb_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> aviation, exploration, galaxy, stars, telescope, planets, Orion Nebula, Whirlpool Galaxy, NASA </itunes:keywords>
			</item>  
		<item>
		<title>Our World: How Oil Spills Are Affecting our Planet</title>
		<link>http://www.archive.org/download/nasa_flv/NASA_Aeronautics_Green_Clip28_HD_512kb_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_flv/NASA_Aeronautics_Green_Clip28_HD_512kb_512kb.mp4</guid>
			<pubDate>22 Jun 2009 14:04:20 EDT</pubDate>
			<description>Oil spills affect our planet in many harmful ways. To contain the spill, the Environmental Protection Agency, or EPA, and Coast Guard map the location and use weather and current data to predict the path of the oil.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_flv/NASA_Aeronautics_Green_Clip28_HD_512kb_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> environment, oil spills, toxins, EPA, Coast Guard, weather, data, NASA </itunes:keywords>
			</item>  
		<item>
		<title>Our World: The Topography of the Ocean</title>
		<link>http://www.archive.org/download/nasa_flv/NASA_Aeronautics_Green_Clip27_HD_512kb_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_flv/NASA_Aeronautics_Green_Clip27_HD_512kb_512kb.mp4</guid>
			<pubDate>22 Jun 2009 14:04:40 EDT</pubDate>
			<description>This NASA video segment describes the topography of the ocean floor and discusses oil and gas seepages in the ocean.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_flv/NASA_Aeronautics_Green_Clip27_HD_512kb_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> topography, ocean floor, oil, gas, environment, NASA </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Offshore Oil Drilling</title>
		<link>http://www.archive.org/download/nasa_flv/NASA_Aeronautics_Green_Clip26_HD_512kb_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_flv/NASA_Aeronautics_Green_Clip26_HD_512kb_512kb.mp4</guid>
			<pubDate>22 Jun 2009 14:05:15 EDT</pubDate>
			<description>This NASA video segment focuses on offshore oil drilling and oil pollution in the ocean. Color animation demonstrates how oil is collected from the ground.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_flv/NASA_Aeronautics_Green_Clip26_HD_512kb_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> offshore oil drilling, pollution, ocean, NASA </itunes:keywords>
			</item>  
		<item>
		<title>Our World: Propulsion Systems</title>
		<link>http://www.archive.org/download/nasa_flv/NASA_Aeronautics_DesignTech_Clip20_HD_512kb_001_512kb.mp4</link>
		<guid>http://www.archive.org/download/nasa_flv/NASA_Aeronautics_DesignTech_Clip20_HD_512kb_001_512kb.mp4</guid>
			<pubDate>09 Nov 2010 09:26:37 EST</pubDate>
			<description>This NASA video segment compares efficiency of different types of propulsion systems. NASA is designing improved propulsion systems that are faster, safer, more cost effective and more reliable.</description>
			<enclosure type="video/mpeg" duration="1234567" url="http://www.archive.org/download/nasa_flv/NASA_Aeronautics_DesignTech_Clip20_HD_512kb_001_512kb.mp4"  /> 
				<itunes:author>NASA eClips</itunes:author>  
			<itunes:keywords> propulsions systems, safety, reliability, aviation, NASA </itunes:keywords>
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