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If life is common in the universe they'd be pretty busy. Maybe resources are plentiful and there's no need or they have no desire to conquer us. Your "first pri
by brango 9y ago
If life is common in the universe they'd be pretty busy. Maybe resources are plentiful and there's no need or they have no desire to conquer us. Your "first principle" is a complete assumption.
- nisten 9y agoEven if it is common, it's very likely that nearly all intelligent life is heavily limited to sub-lightspeed travel, therefore most civilizations won't be able to expand that much, therefore having livable planets close-by is a precious commodity.