Asteroids And Meteoroids: Older Than Earth, Bringing Fire (And Life?) From The Sky | Video
Monday, October 8, 2012 - 15:31
in Astronomy & Space
Meteoroids, meteors, and meteorites are all different stages of the same thing: pieces of rock and metal that hurtle around our solar system. Though they have long threatened life on Earth, they might have carried life here in the first place.