Collision Course: Earth Impacts Throughout History
Published 10:35 AM HST Feb 15, 2013
Wikimedia Commons
Although a meteorite exploded over Russia and an asteroid flew by the Earth on Friday, they did not hit our planet directly.
But, our ancestors weren't as lucky. Scientists believe asteroids previously disrupted Earth's atmosphere and may have caused mass extinction.
Click here to take a look at some of the examples.
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