How the Universe Works Season 1 Episode 6 - Planets (aka Extreme Planets)

Airdate: 2010-May-17

Episode summary:

There are just eight planets in our solar system, but there could be a hundred billion planets in our Milky Way galaxy alone. This show follows the journey of planets as they grow from grains of dust to the magnificently diverse worlds we see today.

About How the Universe Works series:

How the Universe Works is the greatest story ever told, the creation of everything us. The programme investigates how the Universe came into existe...Show more >