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The Milky Way’s Two Billion Earthlike Planets

„Aliens could have been pointing their antennas at Earth for 4.6 billion years, without picking up a signal. Maybe the inhabitants [of a Twin Earth] are at the level of the classical Romans … or maybe trilobites. We need to check out hundreds of thousands of Earthlike worlds.“

NASA announced that Kepler has uncovered 1,094 more potential planets, twice the number it previously had been tracking, including more than 500 planets found to orbit stars beyond our solar system. IThe newly discovered Kepler 22-B is the smallest and the best positioned to have liquid water on its surface – among the ingredients necessary for life on Earth. It is 2.4 times the size of the Earth, putting it in a class known as “super-Earths”.

 

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Dezember 12, 2011 - Posted by | Presse |

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