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MESSENGER Detects Comets ISON and Encke, Prepares For Closer Encounters
NASA's Mercury-orbiting MESSENGER spacecraft has captured images of two comets - 2P/Encke and C/2012 S1 (ISON) - setting the stage for observations later this month when both comets will be substa ... more
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WISE Catalog Just Got Wiser
NASA's WISE mission has released a new and improved atlas and catalog brimming with data on three-quarters of a billion objects detected during two full scans of the sky.
WISE, which stands fo ... more
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A question for Jupiter
Jupiter's Great Red Spot is one of the solar system's most mysterious landmarks. Based on what scientists understand about fluid dynamics, this massive storm - which is big enough to engulf the Eart ... more
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Young stars paint spectacular stellar landscape
Most stars do not form alone, but with many siblings that are created at about the same time from a single cloud of gas and dust. NGC 3572, in the southern constellation of Carina (The Keel), is one ... more
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