What could wreck Elon Musk’s plan to colonize Mars isn’t science, technology, or money—it’s ethics

Musk’s dream to colonize Mars is not about science, though. It is an insurance policy. “History suggests there will be some doomsday event,” he said. “The alternative is to become a space-going civilization and a multi-planet species.” When your belief is that you’re saving humanity from annihilation, you may not care too much about a few alien microbes.

But Musk also admits that he can’t achieve the colossal task alone. “Ultimately, this is going to be a huge public-private partnership,” he said. Even if Musk doesn’t have ethical qualms, as a publicly funded body, NASA most certainly will.

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