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PIA22087: WASP-18b (Artist's Concept)
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.
 Product Size:  2700 x 2282 pixels (w x h) 
 Produced By:  Goddard Space Flight Center 
 Full-Res TIFF:  PIA22087.tif (14.95 MB)
 Full-Res JPEG:  PIA22087.jpg (515.9 kB)  

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Figure 1
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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, 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.

Image Credit:
NASA/GSFC

Image Addition Date:
2017-11-29