Is The Earth Rare?

Is The Earth Rare?
April 23, 2015

Do habitable planets exist around other stars, and are any of them actually inhabited? Observations from NASA’s Kepler Space Telescope confirm that at least 10-20 percent of stars have rocky planets within their (liquid water) habitable zones. Future space telescopes should be able to find such planets around nearby stars, and study their atmospheres spectroscopically. This talk examines what conditions make a planet habitable, and how scientists search for life on other worlds.

James Kasting
Evan Pugh Professor of Geosciences, Pennsylvania State University

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Видео Is The Earth Rare? канала NYUAD Institute