Share: Title:The Big Bang, Cosmology part 1: Crash Course Astronomy #42 Duration: 13:23 Plays: 1.5M views Published: 8 years ago Download MP3 Download MP4 Simillar Videos ▶️ 12:17 Old & Odd: Archaea, Bacteria & Protists - Crashcourse Biology #35 1.5M views • 12 years ago ▶️ 12:21 The Excretory System: From Your Heart To The Toilet - Crashcourse Biology #29 1.5M views • 12 years ago ▶️ 10:33 Metabolism & Nutrition, Part 1: Crash Course Anatomy & Physiology #36 1.5M views • 9 years ago ▶️ 11:53 The Digestive System: Crashcourse Biology #28 1.5M views • 12 years ago ▶️ 10:36 The Nervous System, Part 1: Crash Course Anatomy & Physiology #8 1.5M views • 9 years ago
