The Planets - E2 - The Two Sisters - Earth & Mars

Image
Video ID

Your program is about to begin.

But before you start streaming, you’ll need to log in.
Or sign up, if you don’t already have an account.

The Planets

E2 The Two Sisters - Earth & Mars

For millions of years, Mars enjoyed oceans blanketed by a thick atmosphere and a temperate climate. At the same moment, our beloved blue planet was toxic to life.