This animated illustration shows one possible scenario for the rocky exoplanet 55 Cancri e, nearly two times the size of Earth. New Spitzer data show that one side of the planet is much hotter than the other – which could be explained by a possible presence of lava pools.
First Detection of Super-Earth Atmosphere | For the first time astronomers were able to analyse the atmosphere of an exoplanet in the class known as super-Earths. the exoplanet 55 Cancri e is revealed to have a dry atmosphere without any indications of water vapour. The atmosphere consists mainly of hydrogen and helium.