BLACKHOLE Horizon - has some very strange geometrical properties -seems to be a static and unmoving spherical surface (far away from the black hole) -has a very large velocity (get close to the horizon) -is moving out at the speed of light =YOU CAN'T GO FASTER THAN LIGHT AND SO YOU CAN'T ESCAPE FROM THE BLACKHOLE Inside of the horizon Spacetime is distorted so much Coordinates are damaged Radial distance and time switch roles