NOVA scienceNOW | Detecting Life | PBS
Duration: 04:07
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Program: NOVA scienceNOW #402
Broadcast Date: Jul. 7, 2009
Once we find a planet that has Earth-like potential, how can we tell if there is life on it? Harvard astrophysicist Lisa Kaltenegger explains how scientists might sniff out life by looking at the planet's atmosphere.
Tags:Topics:
- News & Public Affairs: Science & Technology
- Science & Nature
- Science & Nature: Astronomy
- Science & Nature: Biology & Chemistry
- Science & Nature: Physics & Mathematics
- Technology: Space
Post Date: June 19, 2009
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