How the Universe Works - Galaxies

Seizoen: 1 - Aflevering: 3 / 3 - Eerst uitgezonden: 10 mei 2010 - Episode ID: 525352

Galaxies, home to stars, planets and us, come in all shapes and sizes. Witnesses the evolution of galaxies; from clouds of cold gas floating in the voids of space 13 billion years ago, to the magnificent spirals that fill our night sky.