3 ms·
We didn't even know how many stars had planets until not so long ago. The idea we're any good at detecting advanced civilisations in the visible universe is hig
by nprateem 3y ago
We didn't even know how many stars had planets until not so long ago. The idea we're any good at detecting advanced civilisations in the visible universe is highly questionable.
- actionfromafar 3y agoBut how easy they are to detect is separate from the Drake equation - it's there only to demonstrate how many uncertainties there are.