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An Astronomer's Fantasy - Planets in the Lab
If astronomers could somehow pull planets out of the sky and analyze them in the laboratory, it might look something like this artistically altered image illustrating new research from NASA's Spitzer ...
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Taken Under the 'Wing' of the Small Magellanic Cloud
The tip of the "wing" of the Small Magellanic Cloud galaxy is dazzling in this new view from NASA's Great Observatories. The Small Magellanic Cloud, or SMC, is a small galaxy about 200,000 light-years...
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Vega - Two Belts and the Possibility of Planets
Astronomers have discovered what appears to be a large asteroid belt around the bright star Vega, as illustrated here at left in brown. The ring of warm, rocky debris was detected using NASA's Spitzer...
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Probing Brown Dwarf Layers
This graph shows the brightness variations of the brown dwarf named 2MASSJ22282889-431026 measured simultaneously by both NASA’s Hubble and Spitzer space telescopes. As the object rotates every 1.4 ho...
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Rocky Ring of Debris Around Vega
This artist's concept illustrates an asteroid belt around the bright star Vega. Evidence for this warm ring of debris was found using NASA's Spitzer Space Telescope, and the European Space Agency's He...
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Forecast for Exotic Weather
This artist's conception illustrates the brown dwarf named 2MASSJ22282889-431026. NASA's Hubble and Spitzer space telescopes observed the object to learn more about its turbulent atmosphere. Brown dwa...
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Anatomy of Brown Dwarf's Atmosphere
This artist's illustration shows the atmosphere of a brown dwarf called 2MASSJ22282889-431026, which was observed simultaneously by NASA's Spitzer and Hubble space telescopes. The results were unexpec...
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Massive Star Makes Waves
The giant star Zeta Ophiuchi is having a "shocking" effect on the surrounding dust clouds in this infrared image from NASA’s Spitzer Space Telescope. Stellar winds flowing out from this fast-moving st...
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Revealing Hidden Black Holes
A sample of nearby galaxies has shown that many contain X-ray sources in their centers -- most likely powered by central supermassive black holes.
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A Nearby Stellar Cradle
Deep observations by NASA's Chandra X-ray Observatory are probing how stellar "star factories" form and evolve.
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Unmasking a Hidden Glow
The image on the left shows a portion of our sky, called the Boötes field, in infrared light, while the image on the right shows a mysterious, background infrared glow captured by NASA's Spitzer Space...
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Spitzer Sees Stray Starlight (Artist's Concept)
New research from scientists using NASA's Spitzer Space Telescope suggests that a mysterious infrared glow across our whole sky is coming from stray stars torn from galaxies. When galaxies grow, they ...
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Helix Nebula - Unraveling at the Seams
A dying star is throwing a cosmic tantrum in this combined image from NASA's Spitzer Space Telescope and the Galaxy Evolution Explorer (GALEX), which NASA has lent to the California Institute of Techn...
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Climbing the Cosmic Distance Ladder
Astronomers using NASA’s Spitzer Space Telescope have greatly improved the cosmic distance ladder used to measure the expansion rate of the universe, as well as its size and age. The cosmic distance l...
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Cepheids as Cosmology Tools
This graph illustrates the Cepheid period-luminosity relationship, which scientists use to calculate the size, age and expansion rate of the universe. The data shown are from NASA's Spitzer Space Tele...
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Exoplanet is Extremely Hot and Incredibly Close (Artist's Concept)
Astronomers using NASA's Spitzer Space Telescope have detected what they believe is an alien world just two-thirds the size of Earth – one of the smallest on record. The exoplanet candidate, known as ...
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Galaxy Cluster and Giant Arc
These images, taken by NASA's Hubble Space Telescope, show an arc of blue light behind an extremely massive cluster of galaxies residing 10 billion light-years away.
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The Homes of Quasars
The galaxies pictured here have so much dust surrounding them that the brilliant light from their quasars cannot be seen in these images NASA's Hubble Space Telescope.
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Quasars are the bri... -
Hidden Patterns of Light Revealed by Spitzer
Astronomers have uncovered patterns of light that appear to be from the first stars and galaxies that formed in the universe. The light patterns were hidden within a strip of sky observed by NASA's Sp...
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A Surprisingly Bright Superbubble
Chandra spies a bright superbubble in the Large Magellanic Cloud, a small satellite galaxy of the Milky Way about 160,000 light years from Earth.