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NASA finds 'super-Earth' with an atmosphere it can analyse
Astronomers at NASA, working with the ESA and the University College London, announced Tuesday that they have discovered a "super-Earth" exoplanet with an atmosphere, that, for the first time, they can analyse. The Hubble telescope's Wide Field Camera 3 (WFC3) first spotted the planet, dubbed 55 Cancri e, which is only about 40 light years away. Super-earths are simply rocky planets that are bigger than the Earth -- in this case, eight times bigger. They're widely believed to be the most common type of rocky planet in the galaxy.
