In a 1st, NASA's Perseverance rover makes breathable oxygen on Mars
NASA's Perseverance rover has generated 4.3 ounces of breathable oxygen while on the Red Planet — enough to sustain an adult human for three hours.
https://www.livescience.com/space/space-exploration/in-a-1st-nasas-perseverance-rover-makes-breathable-oxygen-on-mars #mars Oxygen #perseverence #rover #MOXIE