Water worlds surface Planets covered by global ocean with no land in sight

CfA_Kepler-62ef_605.jpg

Illustration courtesy of CfA

Astronomers have found a planetary system orbiting the star Kepler-62. This five-planet system has two worlds in the habitable zone — the distance from their star at which they receive enough light and warmth for liquid water to theoretically exist on their surfaces.

Harvard Gazette