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> Mars colonies will likely still be reliant upon Earth for survival for a hundred years to come as they will not have adequate resources, support, or manufactu

> Mars colonies will likely still be reliant upon Earth for survival for a hundred years to come as they will not have adequate resources, support, or manufacturing capabilities for self-sustenance let alone growth. It'll take a hundred years after we start for the asteroid survival argument to be valid. A hundred years is too long, so let's never start.

echelon 5y ago
Indeed. There are better things to spend the money on right here and now. In a hundred years, we may be able to solve the problem with far less cost and effort.
- wizzwizz4 5y ago
  But if not, it's two hundred years until Mars has a self-sustaining human population.