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GJ 1214b

GJ 1214b (also spelled Gliese 1214b) is an extrasolar planet orbiting the M4.5V dwarf star GJ 1214 in the constellation Ophiuchus, about 42 light-years away. It is a potential water world that may be comprised of at least 75% water. GJ 1214b was one of the first Super-Earths discovered, and the first exoplanet to have clouds found in its atmosphere.

GJ 1214b is a similar planet to Gliese 436b, both in size, composition, and atmospheric properties.

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