Well if we don't colonise space soon(even if it is "just' the solar system) we won't have the resources remaining to do it at all.
If that happens we might as well climb back into the trees, because we won't have the resouces to run a technological civilization either.
If that happens we might as well climb back into the trees, because we won't have the resouces to run a technological civilization either.
If you're not supposed to ride faster than your guardian angel can fly then mine had better get a bloody SR-71.