It might exist in hyperbolic space; the station folds in on itself. Although it appears to be only a few dozen meters large from the outside, once you're in it'

It might exist in hyperbolic space; the station folds in on itself. Although it appears to be only a few dozen meters large from the outside, once you're in it's space, it appears much larger (500 meters) and the inside, which is endlessly looping in on itself) contains much more mass than the space should allow, squeezing what seems to be endless amounts of space into finite space.