How the Universe Works

Season 3 Episode 9: The Search for a Second 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.

Genre:

Documentary

Seasons:

11

Episodes:

93

Cast:

Quality:

HD

Duration:

42 min

First Air:

2010

Rating:

8.3