Our universe may have a doppelganger full of white holes and black stars
How did the universe get here? When did it get here? How big is it? Whats it made of? Unfortunately, our position in the cosmos makes it difficult to answer any of those questions. Were stuck here about 1,500 light years away from the nearest black hole. It’s free, every week, in your inbox. Theoretically, black holes have infinitely dense centers. And thats almost not worth thinking about itd take forever to fully contemplate infinity....