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Black Hole Puzzle
101 captains 101 starship captains, bored with life in the Federation, decide to arrange their starships in a line, equally spaced, and let them fall straight into an enormous spherically symmetric…
This means an object freely falling into a larger black hole feels smaller tidal forces near the horizon. Thus, as Captain Bob falls into the black hole, he will see Alice in front him for the rest of his short life. Egan assumed Alice and Bob start from rest at r = 11 and r = 12, respectively, measured in units of the black hole’s Schwarzschild radius.
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