Hubble Probes Layer-Cake Structure of Alien World's Atmosphere

The powerful vision of NASA’s Hubble Space Telescope has allowed astronomers to study for the first time the layer-cake structure of the atmosphere of a planet orbiting another star. Hubble discovered a dense upper layer of hot hydrogen gas where the super-hot planet’s atmosphere is bleeding off into space.

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<p><a href="http://www.physorg.com/news89478408.html">Hubble Probes Layer-Cake Structure of Alien World's Atmosphere</a></p> <p>The powerful vision of NASA’s Hubble Space Telescope has allowed astronomers to study for the first time the layer-cake structure of the atmosphere of a planet orbiting another star. Hubble discovered a dense upper layer of hot hydrogen gas where the super-hot planet’s atmosphere is bleeding off into space. </p>