Closest 'Alien Earth' May Be 13 Light-Years Away - Space.com
URL: http://www.space.com/19667-closest-alien-earth-exoplanets.html
Submitted: Sat Feb 09 2013
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CT: UFOSeek News 2013: Closest 'Alien Earth' May Be 13 Light-Years Away - Space.com
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An Earth-like alien planet may reside right in our solar system's backyard, just 13 light-years or so away, astronomers announced today (Feb. 6). That number is just an estimate, though, and not based on an exoplanet discovery. The researchers used ...