Universe invisible beyond spherical edge

DID YOU KNOW…

(8). “…there is a distance in every direction from us where the recession velocity for a galaxy equals the speed of light. At this distance and beyond, light from all luminous objects loses all its energy before reaching us. The universe beyond this spherical edge is thus rendered invisible and, as far as we know, unknowable.”

(9). “Among all constants, the speed of light is the most famous. No matter how fast you go, you will never overtake a beam of light.”

MORE FUN FACTS

with Neil DeGrasse Tyson






 

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