Looking for Extraterrestrial Life in All the Right Places
Monday, December 15, 2008 - 10:29
in Astronomy & Space
Scientists are expanding the search for extraterrestrial life -- and they've set their sights on some very unearthly planets. Cold "Super-Earths" -- giant, "snowball" planets that astronomers have spied on the outskirts of faraway solar systems -- could potentially support some kind of life, they have found. Such planets are plentiful; experts estimate that one-third of all solar systems contain super-Earths.
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