This is about as close as we can get for carbon-based life habitable planet. 2.6 times the radius of Earth and mostly ocean, what sort of marine lives swim in there? Give me chills if they exist.
I also got about 1/2 way through typing almost the same response below about gases that naturally degrade quickly, not being able to accumulate to high enough concentrations to be detectable at these distances but @TropicalDingDing did so more eloquently than their name would indicate possible, so I’ll let you read theirs here: lemmy.world/comment/8258449
Webb Discovers Methane, Carbon Dioxide in Atmosphere of K2-18 b - NASA (www.nasa.gov)
This is about as close as we can get for carbon-based life habitable planet. 2.6 times the radius of Earth and mostly ocean, what sort of marine lives swim in there? Give me chills if they exist.