The origin of super-Earths and sub-Neptunes has been revealed in a system of four young planets that are dramatically losing their thick atmospheres.
How to make a super-Earth: The universe's most common planets are whittled down by stellar radiation
Source: space
Source Link: https://www.space.com/astronomy/exoplanets/how-to-make-a-super-earth-the-universes-most-common-planets-are-whittled-down-by-stellar-radiation