1:30 min video on asteroids, comets and meteors
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
Signals from space: https://www.facebook.com/techinsider/videos/907625812769109/