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8 votes
1 answer
363 views

If Elon Musk wanted to bring back some Martian soil, would US permission be required?

A scenario occurred to me recently where the Chinese space program decided to go all-in on Mars sample return, and their schedule was such that it would happen before the NASA/ESA mission was ...
uhoh's user avatar
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7 votes
2 answers
318 views

Could a biohazard sample return capsule from Mars be safely hard landed on Earth?

There are some planetary protection concerns about backward contamination of Earth by returning samples from Mars, a mission which may well happen around the Earth-Mars opposition of 2025. One of the ...
LocalFluff's user avatar