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Mystery Object Behaves Both Like a Comet and Asteroid

Something awfully curious is happening 250 million miles away in the asteroid belt. Astronomers think they may be witnessing a never-before-seen collision between two asteroids. The puzzle centers on a newly discovered object that superficially looks like a comet but lives among the asteroids. The strange object was discovered on January 6 by the Lincoln [...]

January 18, 2010
12:44 PM EST