Column: Habitable planets do exist, need not be Earth replicas
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UNIVERSITY OF PUERTO RICO AT ARECIBO
ILLUSTRATION BY MARTHA HERNANDEZ / MHERNANDEZ@STARADVERTISER.COM
Astronomers discovered the potentially habitable super- Earth Gliese 667Cc in 2012 using the Keck telescope on Mauna Kea. Super-Earths have masses slightly larger than Earth to about 10 Earth-masses.
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