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This is K2-18b. It’s a planet outside of our solar system, about 2 1/2 times the size of earth, orbiting a small red dwarf star. The James Webb space telescope spent time studying this planet via spectroscopy and determined it has gases in its atmosphere that are only created through biology!

Which gasses????

Dimethyl Sulfide (DMS). DMS is only known to be produced by life on Earth, especially by marine phytoplankton.

They picked that up but not Oxygen. Color me skeptical.

True, but isn't that the waste of those microbes? And aren't we really interested in multicellular life?