Are there plants that purify the air?Plants don't significantly deplete oxygen at night, and certain varieties can even release oxygen while consuming CO2.
Setback for hopes of life as Nasa says less oxygen on Jupiter moon than thoughtLess oxygen on Europa's surface than previously thoughtMicrobes could survive in Europa's underground ocean without much oxygen
Juno detects lower levels of oxygen on Europa than expectedEuropa has less free oxygen than previously believed.Juno's flyby helped narrow down predictions on oxygen production.
Setback for hopes of life as Nasa says less oxygen on Jupiter moon than thoughtLess oxygen on Europa's surface than previously thoughtMicrobes could survive in Europa's underground ocean without much oxygen
Juno detects lower levels of oxygen on Europa than expectedEuropa has less free oxygen than previously believed.Juno's flyby helped narrow down predictions on oxygen production.