Abiotic O${}_2$ Levels on Planets around F, G, K, and M Stars: Possible False Positives for Life?

C. E. Harman, E. W. Schwieterman, J. C. Schottelkotte +1

In the search for life on Earth-like planets around other stars, the first (and likely only) information will come from the spectroscopic characterization of the planet's atmospher…