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How Long Would It Take An Asteroid To Hit Earth? | Unveiled
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How Long Would It Take An Asteroid To Hit Earth? | Unveiled

VOICE OVER: Peter DeGiglio If an asteroid was coming, how long before we'd know about it? Join us... and find out!

An asteroid impact could one day change the course of history on Earth... and wipe out life as we know it! But, if an asteroid WERE heading in our direction, how long would we have to try and avoid it? In this video, Unveiled takes a closer look at how asteroids move through space, to predict when the doomsday would arrive!read more...

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