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== Characteristics ==
== Characteristics ==
WASP-107b is a super-[[Neptune]] gas-giant exoplanet located 200 light years away from [[Earth]] in the constellation Virgo.<ref name=Space/> It is roughly the size of [[Jupiter]] but only one-eighth of Jupiter’s mass, making it one of the lowest density exoplanets.<ref name=Space/> Its radius is 0.94 times Jupiter's, making its atmosphere fluffy, and coupled with transiting a moderately bright K star makes it a target for atmosphere characterization.<ref name=WASP-Planets>{{Cite web|title=First results on the atmosphere of WASP-107b|url=https://wasp-planets.net/2017/09/27/first-results-on-the-atmosphere-of-wasp-107b/|publisher=[[Wide Angle Search for Planets]]|date=September 27, 2017}}</ref> It is eight times near its star compared to how close [[Mercury (planet)|Mercury]] is to the [[sun]], and completes a circle of Earth every 5.7 days.<ref name=Space/> With the planets temperature of 932 degrees Fahrenheit and 500 degrees Celsius, its atmosphere makes it one of the hottest known exoplanets.<ref name=Space/>
WASP-107b is a super-[[Neptune]] gas-giant exoplanet located 200 light years away from [[Earth]] in the constellation Virgo.<ref name=Space/> It is roughly the size of [[Jupiter]] but only one-eighth of Jupiter’s mass, making it one of the lowest density exoplanets.<ref name=Space/> Its radius is 0.94 times Jupiter's, making its atmosphere fluffy, and coupled with transiting a moderately bright K star makes it a target for atmosphere characterization.<ref name=WASP-Planets>{{Cite web|title=First results on the atmosphere of WASP-107b|url=https://wasp-planets.net/2017/09/27/first-results-on-the-atmosphere-of-wasp-107b/|publisher=[[Wide Angle Search for Planets]]|date=September 27, 2017}}</ref>


== References ==
== References ==

Revision as of 03:00, 6 May 2018

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WASP-107b is a super-Neptune exoplanet that lies 200 light-years away from Earth in the constellation Virgo.[1] It was discovered in 2017 and led by University of Exeter astronomer Jessica Spake and a team of colleagues via the Hubble Space Telescope.[2] Helium was discovered in the planets atmosphere, making it the first time helium was discovered in a exoplanet.[2]

Characteristics

WASP-107b is a super-Neptune gas-giant exoplanet located 200 light years away from Earth in the constellation Virgo.[1] It is roughly the size of Jupiter but only one-eighth of Jupiter’s mass, making it one of the lowest density exoplanets.[1] Its radius is 0.94 times Jupiter's, making its atmosphere fluffy, and coupled with transiting a moderately bright K star makes it a target for atmosphere characterization.[3]

References

  1. ^ a b c Reed, Nola (2 May 2018). "An Exoplanet First! Helium Spotted on Bizarre Comet-Like World". Space.com.
  2. ^ a b Witze, Alexandra (2 May 2018). "Astronomers spot helium on exoplanet for first time". Nature.
  3. ^ "First results on the atmosphere of WASP-107b". Wide Angle Search for Planets. September 27, 2017.