astronomy 101

1:30 min video on asteroids, comets and meteors

Asteroids, Comets & Meteors: Which Should We Be Afraid Of?

There are millions of giant rocks hurtling around the the solar system. So how do we know which ones are harmless and which ones to be afraid of? Follow Space Crafts for more!

Posted by Space Crafts on Wednesday, November 8, 2017

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Signals from space:  https://www.facebook.com/techinsider/videos/907625812769109/

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