eclipses: crash course astronomy #5 Published 9 years ago • 1.8M plays • Length 10:32 Download video MP4 Download video MP3 Similar videos 4:46 eclipses used to be terrifying 21:37 how earth moves 27:10 minuteearth explains: solar eclipses 4:06 solar eclipse and lunar eclipse 4:58 solar eclipse 101 | national geographic