How the Universe Works - Season 1 Episode 3: Galaxies
2010-05-10
- Documentary
The evolution of galaxies, from clouds of cold gas floating in space 13 billion years ago, to the vast gravitationally bound systems of today..
2010-05-10
The evolution of galaxies, from clouds of cold gas floating in space 13 billion years ago, to the vast gravitationally bound systems of today..