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From our frame of reference on Earth, objects slow to a
Chapter 18, Problem 27E(choose chapter or problem)
From our frame of reference on Earth, objects slow to a stop as they approach black holes in space because time gets infinitely stretched by the strong gravity near the black hole. If astronauts accidentally falling into a black hole tried to signal back to Earth by flashing a light, what kind of “telescope” would we need to detect the signals?
Questions & Answers
QUESTION:
From our frame of reference on Earth, objects slow to a stop as they approach black holes in space because time gets infinitely stretched by the strong gravity near the black hole. If astronauts accidentally falling into a black hole tried to signal back to Earth by flashing a light, what kind of “telescope” would we need to detect the signals?
ANSWER:ANSWER: As we know that the outside universe is completely isolated from the black holes by the event horizon, anything that goes into the black hole’s event horizon, will never be able to communicate with the outside universe. The event horizon is not a physical boundary of the black hole, but it is made up of the light