ryan - Introduction to Astro**my: Crash Course Astro**my #1

http://i.ytimg.com/vi/0rHUDWjR5gg/default.jpg
Introduction to Astro**my: Crash Course Astro**my #1

Welcome to the first episode of Crash Course Astro**my. Your host for this intergalactic adventure is the Bad Astro**mer himself, Phil Plait. We begin with answering a question: "What is astro**my?...
From: CrashCourse
Views: 62206

http://gdata.youtube.com/static/imag...full_11x11.gif http://gdata.youtube.com/static/imag...full_11x11.gif http://gdata.youtube.com/static/imag...full_11x11.gif http://gdata.youtube.com/static/imag...full_11x11.gif http://gdata.youtube.com/static/imag...half_11x11.gif

6384 ratings
Time: 12:12 More in Education

أكثر...