Astronomers have analyzed the atmosphere of a “super-Earth” exoplanet for the first time, according to The Hubble Space Telescope project, an international cooperation between ESA and NASA. Result: it’s mostly hydrogen and helium.The data gathered with the NASA/ESA Hubble Space Telescope and new analysis techniques also revealed that exoplanet 55 Cancri e has a dry atmosphere without any indications of water vapor.Exoplanet 55 Cancri e has a mass of eight Earth-masses* and is located in the planetary system of 55 Cancri, a star about 40 light-years from Earth.
First detection of super-Earth atmosphere
