Exoplanet's surface may be covered in oceans, James Webb Space Telescope finds
The so-called Hycean planet K2–18 b is around twice the size of Earth and orbits in the habitable zone of a star located 120 light-years from our solar system.
www.space.com
The results will be subjected to further testing, but an analysis of the light spectrum of this planet has indicated the presence of dimethyl sulfide, a molecule produced by phytoplankton. There could be a world-ocean under the atmosphere of this planet. Very cool!