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WASP-39b and its parent star (artist's impression)

WASP-39b and its parent star (artist's impression)

Date: 28 February 2018
Satellite: Hubble Space Telescope
Depicts: WASP-39b
Copyright: 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.

WASP-39b is eight times closer to its parent star, WASP-39, than Mercury is to the Sun and it takes only four days to complete an orbit.

Last Update: 1 September 2019
22-Jul-2024 14:52 UT

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