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Word: exoplanet (lookup in dictionary) (lookup stats)
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...Thanks to the evocatively named High-Accuracy Radial-Velocity Planet Searcher (HARPS), a telescope mounted atop La Scilla Mountain in Chile, Mayor and his team were able to detect a litter of new planets, some as small as four times the mass of Earth - tiny by exoplanet standards. One star, just 42 light-years away, is home to a trio of such worlds - which Mayor is now calling "super-Earths." The largest of the three is just 9.5 times as big as Earth, the smallest just 4.2 times. It was not only the modest size of all the new worlds...

Author: /time Magazine | Title: More Planets Like Earth? | 6/17/2008 | See Source »

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