Did JWST find a MARKER OF LIFE in an exoplanet atmosphere?
From Dr. Becky. There’s been a big claim of a marker of life, known as a biosignature, found using JWST in the atmosphere of an exoplanet known as K2-18b. The data also confirmed this planet was a “Hycean” world, a planet with a liquid water ocean surrounded by a hydrogen dominated atmosphere. The biosignature that’s…