‘Mini-Neptunes’ beyond solar system may soon yield signs of life

An artists impression of a Hycean planet – hot, ocean-covered bodies with hydrogen-rich atmospheres. Photograph: Amanda Smith/PA

An artists impression of a Hycean planet – hot, ocean-covered bodies with hydrogen-rich atmospheres. Photograph: Amanda Smith/PA

source https://www.theguardian.com/science/2021/aug/26/mini-neptune-beyond-solar-system-may-soon-yield-sign-life-hycean-exoplanet-cambridge-astronomer