Super-Earth exoplanet K2-18b, illustration. Also known as EPIC 201912552 b, this planet orbits the red dwarf K2-18 which is 124 light years from Earth, in the constellation of Leo. The planet is eight times the mass of Earth, and takes 33 days to orbit its parent star at an average distance of 21.3 million kilometres. It is within the habitable zone of the star, and in 2019 scientists announced the discovery of water vapour in its atmosphere. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / NASA's Goddard Space Flight Center |
Taille de l’image : | 3948 px × 2216 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |