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Close Approach Comets In 2017 and 2018, three comets will pass near the Earth providing the opportunity to observe and study these icy interlopers. NASA Science Website | All ScienceCasts Videos Unsubscribe Share on Twitter Share on Facebook |
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Close Approach Comets In 2017 and 2018, three comets will pass near the Earth providing the opportunity to observe and study these icy interlopers. NASA Science Website | All ScienceCasts Videos Unsubscribe Share on Twitter Share on Facebook |
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