Earth-Like Alien World Could Have Vast Oceans

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Earth-Like Alien World Could Have Vast Oceans
by Nola Taylor Redd, Space.com Contributor   |   August 17, 2015 07:20am ET

A small, rocky planet could host liquid water on its surface, if it also contains a carbon-dioxide atmosphere, researchers say.

The planet, which scientists have dubbed Kepler-62f, has a diameter 40 percent larger than that of Earth, and could contain oceans of water if its atmosphere keeps the planet warm.

"A high carbon-dioxide atmosphere is a reliable way to put liquid water on this planet," Aomawa Shields, a scientist at the University of California, Los Angeles, who was involved in the new research, said at the Astrobiology Science Conference in Chicago in June. [The 6 Most Earth-like Alien Planets]

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Asit Ghosh
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