“Unfathomable Abodes of Life?” –Water Worlds of the Milky Way

Alien Ocean

 

Beautiful blue planets with endless oceans may be orbiting many of the Milky Way’s one trillion stars. In 2016, for example, Kepler astronomers discovered planets that are unlike anything in our solar system –a “water world” planetary system orbiting the star Kepler-62. This five-planet system has two worlds in the habitable zone — their surfaces completely covered by an endless global ocean with no land or mountains in sight.

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Our Universal Ancestor LUCA –“Common to Alien Life Beyond Earth”

Enceladus

 

“I think that if we find life elsewhere it’s going to look, at least chemically, very much like modern life,” says evolutionary biologist William Martin at the Heinrich Heine University in Düsseldorf, Germany. “Among the astrobiological implications of our LUCA paper is the fact that you do not need light. It’s chemical energy that ran the origin of life, chemical energy that ran the first cells and chemical energy that is present today on bodies like Enceladus.”

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