How the Universe Works Season 3 Episode 9 - The Search for a Second Earth

Airdate: 2014-Sep-03

Episode summary:

Astronomers search for evidence of another Earth. Is there another Earth out there with liquid oceans, rocky continents and life like us? Astronomers seek the answer with spectroscopy, direct imaging and telescopes. They hope to find evidence of atmospheres, magnetospheres and signs of life.

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 >