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DiamondGeezer
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In Kip Thorne's book "Timewarps" he describes a hypothetical spaceship decelerating almost to the event horizon of a supermassive black hole, and says that the manoevre takes 13 years. I assume that the motion is along a geodesic.
In terms of the Schwarzschild metric, how would this motion be described and how would the elapsed time be calculated?
In terms of the Schwarzschild metric, how would this motion be described and how would the elapsed time be calculated?