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Filed under near-Earth asteroids
NASA / JPL-Caltech
Dawn's view of Ceres on February 4, 2015
Comet Siding Spring after its close approach to Mars (Rolando Ligustri)
Deep Impact "lookback" image of Tempel 1
Send your name and message on Hayabusa-2.
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Take flight with a selfie on LightSail™ in 2016!
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