Signs of cloudy skies seen in two exoplanet atmospheres

By Ashley Yeager, 11:56 AM December 31, 2013

Exoplanet GJ 1214b has high, dusty clouds right now, and GJ 436b may have some too. But the skies of these planets are probably unlike anything seen in the solar system, astronomers report January 2 in Nature.

Neptune-sized GJ 436b is about 33 light-years from Earth in the constellation Leo, and GJ 1214b, a super-Earth, is about 42 light-years from Earth in constellation Ophiuchus. Earth- to Neptune-sized exoplanets make up most of the distant worlds discovered to date. But it's hard to know w...

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