Do you believe in the panspermia hypothesis? And if you do, does this imply we should actually subsidize sending non-sterilized life forms to Mars? Because there's always some chance that you would create some kind of long-term panspermia scenario on other planets. If it is a value to us to go to Mars, then we should go to Mars. But I don't think we have some strange, manifest destiny, moral imperative to infect the solar system.

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