Non-detection of O${}_2$/O${}_3$ informs frequency of Earth-like planets with LUVOIR but not HabEx

Jade H. Checlair, Benjamin P. C. Hayworth, Stephanie L. Olson +5

A critical question in the search for extraterrestrial life is whether exoEarths are Earth-like, in that they host life that progressively oxygenates their atmospheres roughly foll…