Earthlike Planets May Be Common, Analysis Suggests

Publication: National Geographic News   Date: December 18, 2003   View Article

Are we alone? The question has tickled the human imagination for years, perhaps ever since our earliest ancestors looked up at the night sky into the endless sea of stars. Is anyone else out there?

Humans do not yet have a definitive answer to the question, but a team of astronomers running computer simulations of planet formation has found that Earthlike planets with enough water to support life could be fairly common.

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