How the Universe Works

Season 2, Episode 3

Episode Title: Exoplanets - Planets from Hell

Air Date: 2012-07-25

Overview:

We once thought that the only planets were in our solar system. We have found many other planets but they are nothing like we expected, from deep-frozen, toxic snowballs, to scorched and boiling nightmares. Is every planet out there a planet fom Hell?