Artist's impression of WASP-121b

This is an artist’s impression of the gas giant exoplanet WASP-121b. The bloated planet is so close to its star that the tidal pull of the star stretches it into an egg shape. The top of the planet's atmosphere is heated to a blazing 2500 degrees Celsius, hot enough to boil iron. This is the first planet outside our Solar System where astronomers have found the strongest evidence yet for a stratosphere — a layer of atmosphere in which temperature increases with higher altitudes. The planet is about 900 light-years away.

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Credit:

NASA, ESA, and G. Bacon (STScI)

About the Image

NASA press release
NASA caption
Id:opo1731a
Type:Artwork
Release date:3 August 2017, 11:24
Size:4500 x 3600 px

About the Object

Name:WASP-121b
Type:Milky Way : Planet
Distance:900 light years
Category:Exoplanets

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