Astronomers using the James Webb Space Telescope have directly analyzed the surface of a distant super-Earth, revealing a dark, airless, Mercury-like world.
" Astronomers using the James Webb Space Telescope have, for the first time, directly analyzed the surface of a planet beyond our solar system, The James Webb Space Telescope's (JWST) exoplanet subject, LHS 3844 b, is a so-called "super-Earth" about 30% larger than our planet and located nearly 50 light-years away.
"This kind of deciphering the geological properties of planets orbiting distant stars is the next step in unveiling their nature.