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← ScienceWhich outcome occurs at a black hole's event horizon because an external observer maintains a fixed spatial position?
A)Gravitational time dilation approaches infinity✓
B)Hawking radiation emission ceases completely
C)Spacetime curvature reverses polarity
D)Quantum entanglement breaks irreversibly
💡 Explanation
Gravitational time dilation approaches extremes, because according to Einstein’s equivalence principle, acceleration and gravity warp time, therefore time slows infinitely for outside observers, rather than emission changes or reversed polarity at that observational boundary.
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