Share
Like this video? Share it! Submit it to Stumbleupon by Clicking here -->
Posted in Tutorials (Videos).
Welcome to the first episode of Crash Course Astronomy. Your host for this intergalactic adventure is the Bad Astronomer himself, Phil Plait. We begin with …732

Tags: 
2017-04-06T09:54:04+00:00 Download this Video or Audio MP3