WASP-121b

WASP-121b is an extrasolar planet orbiting the star WASP-121. WASP-121b is the first exoplanet found to contain water in an extrasolar planetary stratosphere (i.e., an atmospheric layer in which temperatures increase as the altitude increases). WASP-121b is in the constellation Puppis, and is about 850 light-years from Earth.

WASP-121b

WASP-121b is an extrasolar planet orbiting the star WASP-121. WASP-121b is the first exoplanet found to contain water in an extrasolar planetary stratosphere (i.e., an atmospheric layer in which temperatures increase as the altitude increases). WASP-121b is in the constellation Puppis, and is about 850 light-years from Earth.