The scientists estimated oxygen production from the moon based on the amount of hydrogen outgassing from its surface.
Europa generates about 1,000 tons of oxygen every 24 hours, enough for a million (breathing) humans.
Europa is like an ice ball slowly losing its water in a flowing stream.
A JunoCam image of Europa.Image:Image data: NASA/JPL-Caltech/SwRI/MSSS Image processing: Kevin M. Gill
(The new papers figure corresponds to about 26 pounds of oxygen per second).
Next up is Io, which June will pass by on April 9.
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