Comets
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Astronomers Puzzle Out Possible Source of Mysterious Bright 'Swirls' On The Moon
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Astronomers Find More Evidence Asteroids Deliver Water To Planets
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Organic Molecules Found Circling Nearby Star — Possible Building Blocks Of Life?
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Mercury Painted Black By 'Invisible Paint': Here's What Happened
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Our Solar System Had A Close Shave With Scholz's Star 70000 Years Ago. A Very Close Shave
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Scientists Confirm That Shooting Stars Come from Comets
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Earth Bids Farewell to Comet Lovejoy, See You in 8,000 Years: Here's a Time-Lapse Video to Remember Lovejoy
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Comet Lovejoy Treat For Californians: Watch Now Or Miss It For 8000 Years
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First Batch of Research from Rosetta Comet is Now Public
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Don't Miss: Comet Lovejoy Now Visible Over US This Weekend
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Comet Lovejoy is Here: Watch C/2014 Q2 Now or Miss It for 8000 Years
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Is This A UFO Crashing Over Southern California?
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