A device on NASA's Perseverance rover generated enough oxygen on Mars for a small dog to breathe for 10 hours. Astronauts could be next.

Scientists hope to use the pilot technology to build out a more robust system that would produce enough oxygen for humans and for rocket propellant.

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Trudy Kortes ,Michael Hecht ,Pam Melroy ,Space Technology Mission Directorate ,Red Planet ,Nasa ,Moxie ,Perseverance Rover ,Oxygen Atom ,Pilot Project ,