4 ms·
An observer at infinity won't see anything cross the horizon, though, by the very definition of what a horizon is.
by codethief 4y ago
An observer at infinity won't see anything cross the horizon, though, by the very definition of what a horizon is.
- SiempreViernes 4y agoThe light crossing time refers to the time needed to traverse a diameter of distance.
- codethief 4y agoSorry, I misread.