Finding Another Earth - Needle In A Universe-Sized Haystack

Sunday, March 22, 2009 - 12:02 in Astronomy & Space

Does a twin Earth exist somewhere in our galaxy?   NASA's Kepler spacecraft just launched to find such worlds, though in a very specific area.   If that search succeeds, the next questions driving research will be: Is that planet habitable? Does it have an Earth-like atmosphere? read more

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