12-425f07-th.jpg
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12-425f07-th.jpg
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5 Earth mass exoplanet Gliese 581 c.
Caption:
Artist’s conception of the 5 Earth mass exoplanet Gliese 581 c. Gliese 581 c is one of the lowest-mass exoplanets known. This planet orbits a red dwarf star, just inside the star’s habitable zone. The star and planet are 20.5 light years from Earth. (Image courtesy of NASA/JPL-Caltech.)
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2007
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