How the Universe Works Season 1 Episode 3
Galaxies
The evolution of galaxies, from clouds of cold gas floating in space 13 billion years ago, to the vast gravitationally bound systems of today.
1 - 8MoonsMay. 24, 2010- 1 - 7Solar SystemsMay. 24, 2010
- 1 - 6PlanetsMay. 17, 2010
- 1 - 5SupernovasMay. 17, 2010
- 1 - 4StarsMay. 10, 2010
- 1 - 3GalaxiesMay. 10, 2010
- 1 - 2Black HolesMay. 02, 2010
- 1 - 1Big BangApr. 25, 2010
