Another Earth Twin Canceled! Promising Exoplanet Unlikely To Have Atmosphere, Says NASA

Another Earth Twin Canceled! Promising Exoplanet Unlikely To Have Atmosphere, Says NASA

Three out of seven Earth-sized planets in the TRAPPIST-1 system are likely without an atmosphere, ruling them out as habitable worlds.

Webb Narrows Atmospheric Possibilities For Earth-sized Exoplanet TRAPPIST-1 d - Astrobiology

The exoplanet TRAPPIST-1 d intrigues astronomers looking for possibly habitable worlds beyond our solar system because it is similar in size to Earth, rocky, and resides in an area around its star where liquid water on its surface is theoretically possible. But according to a new study using data from the NASA/ESA/CSA James Webb Space […] The post Webb Narrows Atmospheric Possibilities For Earth-sized Exoplanet TRAPPIST-1 d appeared first on Ast…