"I'm extraordinarily passionate about the idea of asteroid mining in the future. Asteroids out there, we know them from those that have fallen on the Earth, there is a class of asteroids, sub-class of nickel/iron asteroids, which are 50,000 times more enriched than Platinum mines on earth."

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We need early warning systems, technologies to deflect an asteroid - and we need political preparedness as well. It needs to be clear who is to decide what, who launches the rockets, who presents which bills to its citizens. This is a planetary decision. We need to do this all together. Or it will not happen.

— Rusty Schweickart