Why when working on something like satellites, space rovers etc does everyone have to wear gear as if working with diseased patients?
In: Engineering
They don’t want to contaminate extraterrestrial surfaces with Earth based micro organisms. So they wear PPE like clothing, work in clean rooms, and go through extreme lengths to ensure sanitation.
Imagine having a rover that gets to Mars and detects bacterial life, then we find out it came from here and was just on the rover when we sent it. Or discovering life and having our micro organisms that hitch hiked on the rover interact and kill it before we can study it.
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