Super Earths have long-lasting oceans

David A. Aguilar, Harvard-Smithsonian Center for Astrophysics
January 5, 2015
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David A. Aguilar, Harvard-Smithsonian Center for Astrophysics

This artist's depiction shows a gas giant planet rising over the horizon of an alien waterworld. New research shows that oceans on super-Earths, once established, can last for billions of years. (Image credit: David A. Aguilar, Harvard-Smithsonian Center for Astrophysics)