But to be fair, it’s not like we’ve been able to look very many places. We’ve checked a few of the planets in our own solar system and it could be plausible to

But to be fair, it’s not like we’ve been able to look very many places. We’ve checked a few of the planets in our own solar system and it could be plausible to detect a civilization within a few light years by radio wave if we were very lucky. https://physics.stackexchange.com/questions/245505/from-how-far-away-could-earths-telescopes-detect-earth-like-radio-signals https://physics.stackexchange.com/questions/245505/from-how-...