The next closest star, of course.
To put this distance in perspective, if you could scale our sun down to the size of a pea, our closest stellar neighbor, Proxima Centauri would be about the size of a peppercorn.
They would be separated by a distance of 118 miles.
Space is really, really big.
Space is big. You just won’t believe how vastly, hugely, mind-bogglingly big it is. I mean, you may think it’s a long way down the road to the chemist’s, but that’s just peanuts to space.
Douglas Adams, The Hitchhiker’s Guide to the Galaxy
See post #32...