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How the Universe Works· Season 3 · Episode 9

The Search for a Second Earth

S03E09·8.5·September 3, 2014·1h·Science

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.

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#1In Season 3of 9 rated episodes
#33All-timeof 92 rated episodes
+0.3vs season avgSeason 3 averages 8.2
2014First airedSeptember 3, 2014

Guest stars

Ben OppenheimerBen Oppenheimeras Astrophysicist
John Asher JohnsonJohn Asher Johnsonas Astronomer
Evgenya ShkolnikEvgenya Shkolnikas Astronomer
Chris McKayChris McKayas Astrobiologist
David KippingDavid Kippingas Astronomer, Harvard-Smithsonian Center for Astrophysics
Keivan StassunKeivan Stassunas Phd., Physics and Astronomy
Heather A. KnutsonHeather A. Knutsonas Assistant Professor of Planetary Science

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