Quote:
	
	
		
			
				
					Originally Posted by  Angst
					 
				 
				Considering that light can enter a black hole but not exit, isn't the terminal speed of light that enters a black hole zero?  Is this not caused by the gravitational force exerted the black hole? 
			
		 | 
	
	
 No. A photon that enters the event horizon of a black hole can never escape from it, because spacetime is not merely "curved" inside a black hole, but "disconnected" from the outside universe. There can be no transmission of information across the event horizon.