/sci/ - Science & Math

>>9746211
Contraction is ONLY in the direction of motion.
Distances are unchanged at right angles.
You're trying to apply Euclidian geometry to a hyperbolic space.

You must have seen embedding diagrams for a black hole.
Physicists always tell you the size of the event horizon by listing the circumference. That remains unchanged. But the radius, as measured by the number of grid-lines an object falls past on its way to the singularity, is much more than circumference over two pi. It may be infinite.