40 light-years away lies the exoplanet GJ 1214b, a searingly hot "super-Earth" orbiting a red dwarf star. And thanks to the Hubble telescope, researchers believe they've found what lies in the planet's upper atmosphere: thick clouds. A paper, published in the January 2nd issue of Nature, relies on the telescope to settle a debate about the planet's composition. First documented in 2009, GJ 1214b is one of several exoplanets that researchers are studying in hopes of finding a habitable world in another solar system.
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