TRAPPIST-1 d Atmosphere Analysis Reveals No Evidence of Haze or Molecular Absorption
The TRAPPIST-1 system, consisting of seven small rocky planets orbiting a late-type M8 star, offers an opportunity to search for secondary atmospheres on temperate terrestrial worlds. The 0.8 Earth-radii planet TRAPPIST-1 d lies at the edge of the habitable zone. Researchers have presented the first transmission spectrum of TRAPPIST-1 d from two transits using the … Read more