Discovery alert: An Earth-sized planet with 17-hour year found

SPECULOOS-3 b, an Earth-sized exoplanet, orbits an ultra-cool dwarf star in a habitable zone 55 light-years away. Tidally locked like the Moon, with dayside and nightside. SPECULOOS project discovered it, studying extreme temperature variations impacting atmosphere and surface conditions. Advancements in technology enhance exoplanet detection, exploring potential life beyond Earth.