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English: PIA22087: WASP-18b (Artist's Concept)

https://photojournal.jpl.nasa.gov/catalog/PIA22087

https://www.jpl.nasa.gov/news/news.php?feature=7012

A NASA-led team of scientists determined that WASP-18b, a 'hot Jupiter' located 325 light-years from Earth, has a stratosphere that's loaded with carbon monoxide, but has no signs of water.

WASP-18b is an exoplanet located 325 light-years from Earth. The planet's mass is 10 times that of Jupiter, and it orbits its star once every 23 hours.

A 2017 study found that this planet has a stratosphere that's loaded with carbon dioxide [sic => monoxide?], but has no signs of water. A stratosphere is a layer of atmosphere in which temperature increases with higher altitudes. The study used NASA's Spitzer and Hubble space telescopes.

For more information about exoplanets, visit https://exoplanets.nasa.gov.
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来源 https://photojournal.jpl.nasa.gov/figures/PIA22087_fig1.jpg
作者 NASA/GSFC

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Public domain 本文件完全由NASA创作,在美国属于公有领域。根据NASA的版权方针,NASA的材料除非另有声明否则不受版权保护。(参见Template:PD-USGov/zhNASA版权方针页面JPL图片使用方针。)
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artist's concept of WASP-18b

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