From the article:
Contrary to popular belief, it is not the explosive dispersal of
galaxies from a common center into the depths of a limitless void.
Again, I must stress that the speck from which space emerges is not
located in anything. It is not an object surrounded by emptiness.
This is pretty mind-blowing, but then, so is much of science. I’m pretty nerdy and relatively scientifically-literate, but it was only a few years ago that I properly understood this. And you know who I blame? Well, the name doesn’t help, but we’re kind of stuck with that. But, at least Our Best Science Explainers will help, right? Nope. Watch this:
Gah! Did you see that? Big explosion in black space! And that’s from the new Neil deGrasse Tyson Cosmos! If he can’t get it right, no wonder no one understands this incredibly crucial point.
Or here’s one from NASA:
Pretty much the only visualization I’ve seen which even tries to get it right is this from Minute Physics:
C’mon everyone else.