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Super-Puff Exoplanet WASP-107b is Even Stranger than Thought 5nvklj





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Super-Puff Exoplanet WASP-107b is Even Stranger than Thought

Dragon
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Post by Dragon Tue Jan 19, 2021 5:05 pm

With a mass of 1.8 Neptune masses and a radius of Jupiter, WASP-107b presents a challenge to planet formation theories.

WASP-107 is a highly active K-type main sequence star located about 212 light-years away in the constellation of Virgo.

First detected in 2017, WASP-107b is one of the least dense exoplanets known — a type that astrophysicists have dubbed ‘super-puff’ or ‘cotton-candy’ planets.

It orbits very close to the star — over 16 times closer than the Earth is to the Sun — once every 5.7 days.

It has one of the coolest atmospheres of any of the exoplanets discovered, although at 500 degrees Celsius (932 degrees Fahrenheit) is still radically hotter that Earth.

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Super-Puff Exoplanet WASP-107b is Even Stranger than Thought 334pu7m
Dragon
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Post by Dragon Tue Jan 19, 2021 5:07 pm

Super-Puff Exoplanet WASP-107b is Even Stranger than Thought Image_5969-WASP-107b
Image credit: NASA / ESA / Hubble / M. Kornmesser.

An artist’s impression of WASP-107b.

Source / Image Courtesy


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Super-Puff Exoplanet WASP-107b is Even Stranger than Thought 334pu7m
Dragon
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Super-Puff Exoplanet WASP-107b is Even Stranger than Thought Empty Re: Super-Puff Exoplanet WASP-107b is Even Stranger than Thought

Post by Dragon Tue Jan 19, 2021 5:08 pm



The exoplanet WASP-107b is a gas giant, orbiting a highly active K-type main sequence star. The star is about 200 light-years from Earth.

Using spectroscopy, scientists were able to find helium in the escaping atmosphere of the planet — the first detection of this element in the atmosphere of an exoplanet.


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Super-Puff Exoplanet WASP-107b is Even Stranger than Thought 334pu7m

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