The End of the Universe in an Instant

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Discussion Overview

The discussion revolves around the concept of observing the end of the universe while interacting with a black hole, particularly focusing on the experience of an observer falling into a black hole versus one hovering near the event horizon. The scope includes theoretical implications of black hole physics, time dilation, and the fate of observers in extreme gravitational fields.

Discussion Character

  • Exploratory, Debate/contested, Conceptual clarification

Main Points Raised

  • One participant suggests that upon reaching the event horizon, an observer would see the entire existence of the universe from their perspective, despite the infinite time perceived by a distant observer.
  • Another participant counters that falling into a black hole would not allow one to see the end of the universe, referencing previous discussions and suggesting that hovering just above the event horizon could allow for observing a finite amount of future time due to time dilation.
  • A third participant asserts that an observer would die before witnessing the end of the universe due to spaghettification effects.
  • A later reply mentions that for supermassive black holes, it is possible to cross the event horizon without experiencing lethal tidal forces, implying a different experience compared to smaller black holes.

Areas of Agreement / Disagreement

Participants express differing views on whether it is possible to see the end of the universe while interacting with a black hole, with some arguing for the possibility under certain conditions and others asserting that it is not feasible. The discussion remains unresolved with multiple competing perspectives.

Contextual Notes

There are limitations regarding the assumptions made about the nature of black holes, the effects of time dilation, and the conditions under which observers might experience spaghettification. The discussion does not resolve these complexities.

JDude13
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A distant observer watches you take an infinite amount of time to reach the event horizon. From your perspective you reach the event horizon after a finite amount of time.
Would it be fair to say that, upon reaching the event horizon you will have seen the rest of the universe's existence in its entireity?
 
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No, if you _fall _ into a black hole, you won't see the end of the universe. I've posted some references on this in the past, I'm sure you can find them if you look.

You could see the end of the universe - well, an arbitrary but finite amount of time into the future - if you use rockets to hover just above the event horizon of a black hole. But with the same rocketship, you could see the end of the universe by just flying around and taking advantage of time dilation.
 
ud die before youd see the end of the universe becouse of spaghetification
 
nickthrop101 said:
ud die before youd see the end of the universe becouse of spaghetification

For supermassive black holes, you can pass through the event horizon without being subjected to tidal forces big enough to kill you.
 

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