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“Oddball” Asteroid is Really a Comet
Tuesday, September 10, 2013 15:46
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JPL Near-Earth Object database map of 3552 Don Quixote’s orbit
It’s a case of mistaken identity: a near-Earth asteroid with a peculiar orbit turns out not to be an asteroid at all, but a comet… and not some Sun-dried burnt-out briquette either but an actual active comet containing rock and dust as well as CO2 and water ice. The discovery not only realizes the true nature of one particular NEO but could also shed new light on the origins of water here on Earth.
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Read the rest of “Oddball” Asteroid is Really a Comet (540 words)
© Jason Major for Universe Today, 2013. |
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Post tags: asteroid, comet, Don Quixote, Earth, NEA, neo, Solar System, Spitzer, University of Tennessee, water
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Source: http://www.universetoday.com/104664/oddball-asteroid-is-really-a-comet/
