Cosmic Vistas
Season 1
Ep 11. Shooting Gallery: Asteroids and Comets
- TV-PG
- October 19, 2009
- 12 min
-
(7)
Scientist long thought that our solar system consisted of the sun, the planets, and their moons. We soon found that we are far from alone, often coming into contact with asteroids, comets, and other debris.