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> if you count sending robots as exploring

Why would you not? With >>99% probability, you are never going into space. What difference does it make if your surrogates are robots or other humans?

> assume that any human life is ever not at risk

The problem is not so much the risk per se as the cost of mitigating the risk. Sending humans into space is orders of magnitude more expensive than sending robots into space. Does sending humans produce orders of magnitude more value?




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