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Hubble Observes Exoplanet Atmosphere in more Detail than ever before

A team of British and American astronomers used data from several telescopes on the ground and in space -- among them the NASA/ESA Hubble Space Telescope -- to study the atmosphere of the hot, bloated, Saturn-mass exoplanet WASP-39b, about 700 light-years from Earth. The analysis of the spectrum showed a large amount of water in the exoplanet's atmosphere -- three times more than in Saturn's atmosphere. Credit: NASA, ESA, and G. Bacon (STScI)

A team of British and American astronomers used data from several telescopes on the ground and in space – among them the NASA/ESA Hubble Space Telescope – to study the atmosphere of the hot, bloated, Saturn-mass exoplanet WASP-39b, about 700 light-years from Earth. The analysis of the spectrum showed a large amount of water in the exoplanet’s atmosphere – three times more than in Saturn’s atmosphere. Credit: NASA, ESA, and G. Bacon (STScI)

An international team has used Hubble Space Telescope to study the atmosphere of the hot exoplanet WASP-39b. By combining this new data with older data they created the most complete study yet of an exoplanet atmosphere...

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