How does the ISS get more oxygen? Do they have a device that can create more, or do they simply send shipments of O2?
In: Physics
others have provided good information, but the ISS also has what are called “oxygen candles”, packs of chemicals that produce oxygen when burned. they are very compact and stable for an oxygen source, allowing them to be stored in individual compartments, but are saved for emergencies as burning *anything* in space is generally a bad idea.
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