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For questions about the standard passage of time on objects/people/civilisations etc. Also consider the [time-keeping], [spacetime-dimensions], [alternate-history], [universe], [time-travel], or [time-manipulation] tags.

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Observing the age of the Universe when orbiting a black hole

It is nearly impossible for a planet in orbit around a black hole to experience enough time dilation to make a significant difference in the age of the universe. … This is because the innermost orbit around a nonrotating black hole is at 3x the event horizon radius, at which point the time dilation is $\sqrt{1-1/3^{2}}$=0.95. …
Daniel Kagan's user avatar