"Space," it says, "is big. Really big. You just won't believe how vastly, hugely, mindbogglingly big it is. I mean, you may think it's a long way down the road to the chemist, but that's just peanuts to space. Listen..." and so on.
Picture a hot dog bun. And throw all the stars, the hundreds of stars that there are in the universe into a pack- into a bag. And put the universe into a bag and you, all of a sudden, they become