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The Outer Space Treaty and COSPAR require that space exploration does not expose the earth to extraterrestrial contaminations. Additionally extraterrestrials cannot be exposed to contaminants from earth, so spacecrafts and lander have to be sterilized before going to other planets.

Jul 23, 2022•1 min read

Fun Fact: The Outer Space Treaty and COSPAR require that space exploration does not expose the earth to extraterrestrial contaminations. Additionally extraterrestrials cannot be exposed to contaminants from earth, so spacecrafts and lander have to be sterilized before going to other planets.

Source

en.wikipedia.org

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