Bok
02-22-2012, 04:41 PM
Planet hunters have found hundreds of exoplanets, but none just like Earth
More... (http://www.sciencenews.org/view/generic/id/338639/title/FOR_KIDS_Worlds_beyond_the_solar_system)
More... (http://www.sciencenews.org/view/generic/id/338639/title/FOR_KIDS_Worlds_beyond_the_solar_system)