Chelyabinsk meteorite's rocky past: Research points to previous collision or near miss in space

[unable to retrieve full-text content]Where did the Chelyabinsk meteorite come from? As a meteoroid, it either collided with another body in the solar system or came too close to the Sun before it fell to Earth, according to new research.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/most_popular/~3/OCNBQi4e-t4/130826215605.htm

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