Poster of Cast and Crew in How The Universe Works - Season 1 - Episode 3 - Galaxies

How The Universe Works - Season 1 - Galaxies (Episode 3)

Plot: The evolution of galaxies, from clouds of cold gas floating in space 13 billion years ago, to the vast gravitationally bound systems of today.
Episode Aired On:
Monday, May 10 2010
14 years ago