QUEST

Searching for Other Earths

Clip | 6m 10s

Findings by the Kepler telescope, which NASA launched into space in 2009, have led University of California, Berkeley, astronomers to estimate that in our Milky Way galaxy alone there are 40 billion planets similar to Earth, both in size and temperature. Now scientists are trying to figure out which of these exoplanets might have water, the basic ingredient of life.

Aired: 11/12/14

Rating: NR

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Funding for QUEST is provided by the National Science Foundation.