Ecumenopolis

What Would It Take To See Artificial Lights at Proxima Centauri B?What Would It Take To See Artificial Lights at Proxima Centauri B?

What Would It Take To See Artificial Lights at Proxima Centauri B?

Is there an alien civilization next door? It's...possible(ish). In late 2020, we discovered a signal from the direction of Proxima…

4 years ago