Browse Archive
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Working on Four Spacecraft Simultaneously
NASA's Magnetospheric Multiscale (MMS) mission clean room is buzzing with activity as engineers work on all four observatories at the same time.
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'Hi-C' Mission Sees Energy in the Sun's Corona
NASA optics engineering expertise is allowing solar scientists to see into the sun's corona in unprecedented detail.
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Why NASA Observes the Sun in Different Wavelengths
Specialized instruments in ground-based and space-based solar telescopes, observe light far beyond the ranges visible to the naked eye. Different wavelengths convey information about different components of the sun.
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IRIS Spacecraft Is Fully Integrated
NASA's next Small Explorer mission, the Interface Region Imaging Spectrograph (IRIS), which will study the little-understood lower levels of the sun's atmosphere has been fully integrated and final testing is underway.
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NASA's SDO Has Plenty of Content for Ultra HD TVs
A new kind of television made headlines at the 2013 annual Consumer Electronics Show in early January: Ultra High Definition TV. The TV needs content and NASA's SDO has four months worth of sun movies for them.
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Solar Variability and Terrestrial Climate →
Researchers now realize even tiny solar variations can have a significant effect on Earth's terrestrial climate.
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Cluster Finds Turbulent Eddies May Warm the Solar Wind
A new study of data obtained by the European Space Agency's Cluster spacecraft may help explain why the flow of electrically charged particles and magnetic fields from the sun, the solar wind, is hotter than it should be.
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Heliophysics 2012: Year in Review
A year-end review of major news coming from NASA's Heliophysics Division.
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Instrument Deck Installed on MMS Observatory #2
Installation of the instrument deck is complete on the second of four MMS observatories, which are being assembled at NASA’s Goddard Space Flight Center in Greenbelt, Md.
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Van Allen Probes Reveal New Dynamics of Radiation Belts
Just 96 days since launch, the Van Allen Probes have already provided new insights into the structure and behavior of the radiation belts that surround Earth.