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Thursday, August 3, 2017

Exoplanet with Glowing Water Atmosphere

Exoplanet with watered atmosphere Image Credit: NASA
Scientists have discovered strongest evidence to date for a stratosphere on a planet outside our solar system (Exoplanet). Stratosphere - layer of atmosphere in which temperature increases with higher altitudes. So our planet has warm stratospheric atmosphere and this type of atmosphere must be found in other exoplanet system also beyond solar system.

Reporting in the journal nature, NASA's Scientists used the data collected by Hubble Space Telescope to study WASP-121b, a type of exoplanet called a hot Jupiter. Its mass is 1.2 times that of Jupiter and its radius is about 1.9 times Jupiter making its puffier. Jupiter revolves our sun once in 12 years, but this WASP-121b revolves its sun once in 1.3 days. This exoplanet is very close to its star. The star's gravity would start ripping it apart. It also means that the top of the planet's atmosphere is heated about 4600 degrees Fahrenheit. The WASP-121 system is estimated to be about 900 light years from Earth -  a long way, but close by galactic standard.

More Information at : NASA


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