Placing Earth equidistant from three spinning black holes does not slow down time for its inhabitants due to the time dilation effect described by general relativity. Time dilation only affects the passage of time relative to distant observers, meaning that while someone near a black hole may age slower compared to someone far away, they do not experience a longer lifespan. The concept of differential aging illustrates that traveling close to a black hole results in experiencing less proper time, not more. Thus, no additional time is gained for activities like watching Netflix.
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Assuming of course we aren't past the event horizon yet we are relatively closeJoe Bond said:I am just wondering if placing the Earth equidistant from 3 black holes that are spinnng would slow down time on the Earth, due to the time dilation effect. Would that give us more time to live?
oh I see, that's sad. Thank you for your replyBandersnatch said:Why do you need three? Being in orbit around one would do. And it only slows down the passage of time relative to observers far away from the black hole. For the inhabitants of Earth time would seem to pass normally. Nobody would have gained any extra time to watch Netflix before they died.
Time dilation isn't something that you directly experience. Instead, the special and general theories of relativity entail something called differential ageing. This means that if you go and spend some time close to a black hole and then return, you may well be significant younger than someone who stayed at home. The reason for this is that you have taken a shorter path through spacetime. The length of your path through spacetime is precisely the amount of proper time that has elapsed for you. Proper time is what you experience.Joe Bond said:oh I see, that's sad. Thank you for your reply
thank you for your replyPeroK said:Time dilation isn't something that you directly experience. Instead, the special and general theories of relativity entail something called differential ageing. This means that if you go and spend some time close to a black hole and then return, you may well be significant younger than someone who stayed at home. The reason for this is that you have taken a shorter path through spacetime. The length of your path through spacetime is precisely the amount of proper time that has elapsed for you. Proper time is what you experience.
So, although when you return you may be younger than the friends you left behind, you have literally experienced less time. In that sense you can't directly get the best of both worlds by ageing less yet experiencing the same amount of time to enjoy life. You need herbal remedies for that!