I've been sitting on this idea that land on the planet has value beyond the economic value of its potential resources. If tech can be developed to collect resources from sources beyond our planet, then that should be pursued. I think there have been efforts to land on comets. Targeting comets with the closest likely impact path with the Earth could be a good idea. Bringing minerals from comets on a ship seems better than receiving those same materials in the form of a meteor strike.



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