Artist's conception of Kepler 22-b
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Earth-like planet, Kepler 22-b, is confirmed

Astronomers have confirmed the existence of an Earth-like world orbiting a star like our Sun in its "habitable zone".

The planet, Kepler 22-b, lies about 600 light-years away and is about 2.4 times the size of Earth, and has a temperature of about 22C.

Nadine Dukeson reports.

  • 06 Dec 2011
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