Potentially Habitable Planets Are Common, Study Says

National Geographic News
February 18, 2008
More than half of the sunlike stars in the galaxy could have terrestrial planets with the potential to harbor life, a new study suggests.

The research, announced yesterday at a meeting of the American Association for the Advancement of Science in Boston, Massachusetts, is just one of a set of recent findings that suggest the roster of potential life-harboring worlds is huge—even in our own solar system.

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