How the Universe Works S3E9: The Search for a Second Earth
- Aired: 2014-09-03
- Time: 22:00:00
- Runtime: 60 minutes
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Overview
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.