ORBIT 5 RING

L05r_1

ORBIT: A path described by one body in its revolution about another (as by the earth about the sun or by an electron about an atomic nucleus).

EVENT HORIZON Ring

skech#21-1

EVENT HORIZON: The boundary around a black hole on and within which no matter or radiation can escape.

SPACETIME 4 ring

skech#20-2

SPACETIME: Also called space-time continuum. The four-dimensional continuum, having three spatial coordinates and one temporal coordinate, in which all physical quantities may be located.

BLACK HOLE 4 ring

skech#18-5

BLACK HOLE: An area of space-time with a quantum singularity at its center that has a gravitational field so strong that light cannot escape it and that is believed to be created especially in the collapse of a very massive star.