Elon Musk wants to colonize Mars. Here’s why he’s looking the wrong way through the telescope.
David Galbraith

If we only exist in one place we are deeply vulnerable to that one place getting destroyed or no longer supporting us. Yes we should stay and fix our problems here, but we should also hedge our bets and make sure here isn’t the only place we are. That is, if we want to keep existing as a species.

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