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WASP-104b

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Template:Planetbox begin Template:Planetbox star Template:Planetbox character Template:Planetbox end WASP-104b is a Hot Jupiter exoplanet that orbits the star WASP-104. It is considered to be one of the darkest exoplanets discovered.[1][2] It was first discovered in 2014, when it was thought to absorb 60% of light, but a 2018 study at Keele University now suggests that it absorbs more than 97% of light due to a thick atmosphere of sodium and potassium.[1]

Darkness potential

WASP-104b has been considered by researchers to be one of the darkest exoplanets ever discovered.[1][3] In 2018, scientists from Keele University suggested that WASP-104b can absorb more than 97% of light due to a thick atmosphere of sodium and potassium.[1] A six page paper published on Cornell University Library describes the exoplanet as "darker than charcoal" and deems it "one of the least reflective planets found to date".[1][4] The only other two exoplanets that has been considered to be darker than WASP-104b are TrES-2b and WASP-12b.[1] Its starlight percentage has been compared to WASP-12b, with at least 94% in terms of absorbtion of light.[5]

Characteristics

Size, radius, and temperature

WASP-104b's size is comparable to Jupiter, as its mass and radius are 1.272 times and 1.137 times greater than Jupiter's, respectively.[6] It also has 12.5 times the mass that Earth does. It has a low density and could be composed of gas.[6]

Orbit and host star

WASP-104b is the only known exoplanet to orbit WASP-104, a yellow dwarf G8 star, it orbits its star in about 2 days and is located 2.6 million miles away from it, while having an orbital radius of 0.02918 AU.[7][6] It is situated in the constellation Leo and is located 466 light years away from the Sun. [6] [1] [7]

References

  1. ^ a b c d e f g Lozovschi, Alexandra (23 April 2018). "'Darker Than Coal': Researchers Find A 'Hot Jupiter' That Absorbs Nearly 99 Percent Of Light". Inquisitr.
  2. ^ "Distant Jupiter-like world may be the darkest planet ever found". New Scientist. 20 April 2018.
  3. ^ Hignett, Katherine (23 April 2018). "Wasp-104b: Hot Jupiter Could Be Darkest Planet Ever Discovered". Newsweek.
  4. ^ Močnik, T; Hellier, C; Southworth, J (2018). "WASP-104b is Darker than Charcoal". arXiv:1804.05334 [astro-ph.EP].
  5. ^ Anthony (24 April 2018). "A Distant Hot Jupiter WASP-104b May Be The Most Black Planet Ever Found". Upcosmos.com.
  6. ^ a b c d Cite error: The named reference Exoplanet Exploration was invoked but never defined (see the help page).
  7. ^ a b "WASP-104 b". Exoplanet Data Explorer.


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