5 Ridiculous Old-School Theories About the Universe That People Still Believe

The Cosmos Is Surrounded by a Vast Void

Even the Greeks, who were usually pretty sharp, came up with this gem: they said the universe is a finite, orderly bubble of stars and planets, and outside that bubble is literally nothing – no space, no time, no darkness, just absolute void. But here’s the funny part – they couldn’t decide if the void was empty or filled with “cosmic breath.” Either way, they believed if you somehow reached the edge and stuck your hand out, your fingers would just… stop existing. Very scientific.