WASP-18b, a hot-Jupiter exoplanet located approximately 325 light-years from Earth, has a stratosphere that’s loaded with carbon monoxide, but has no signs of water, according to a team of astronomers led by Dr. Kyle Sheppard at NASA’s Goddard Space Flight Center. The hot-Jupiter WASP-18b. Image credit: NASA’s Goddard Space Flight Center. “The composition of WASP-18b defies all expectations. We don’t know of any other exoplanet where carbon...
