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2006-08-02 07:15:47 · 16 answers · asked by rosepassions 3 in Science & Mathematics Astronomy & Space

16 answers

Hi rosepassions


Wow. 14 responses to your question (before this one) and only one of those responses is even remotely accurate from a scientific perspective (the one from MindscapeWanderer). I don't know what it is about black hole questions that makes people think they can post any old rubbish as a response to a legitimate question, but it sure seems to attract them.



Anyway, as a person who has studied general relativity for years, let me give you some accurate answers. Firstly the answer to your quesiton is "Yes", unequivocably, there *is* time inside the event horizon of black holes. Absolutely guaranteed. You see, black holes are essentially made of space-time, and space-time includes "time". :o)

Now lets consider the nature of that time. The first key concept about time in relativity is that different observers will not necessarily agree on time intervals. When there is a gravitational field about, time appears to run slower for observers who are closer to the central mass.

So let's consider a fall into a large stationary black hole. I'll stand safely at a long distance from the hole, and you freefall into it. As you fall, you fire singal photons of light back at me at regular intervals to let me know you're ok. As you start falling, I receive regular photons (say every minute or so) from you. As you fall closer and closer to the hole I start to notice two things: first, the time between successive photon signals is getting longer, and second the photons are looking increasingly redder (they're losing energy). As you approach the horizon of the hole the time interval between photons gets extremely long, until just at the horizon you appear to me to stop, frozen. The last photon fired at the horizon never reaches me. Your image gets so redshifted I can't see you anymore.

However from your perspective you continue falling and time appears to you to progress normally. Every minute you fire off your photon at me, like clockwork. As you get closer to the hole you start to feel uncomfortable - this is the tidal force which will eventually bring about your demise. You pass the point where I think the event horizon is without noticing it - if you could see it, to you the event horizon still appears off ahead of you. Your time will continue in this fashion until you inevitably hit the central singularity.


Hope this helps!
The Chicken

2006-08-02 13:03:53 · answer #1 · answered by Magic Chicken 3 · 1 2

To start off, Black holes so far only exist theoretically but there is a lot of evidence that supports their existence.

If you are outside the black hole and someone else is near it, you would say that the other person's watch was running slow. If that person happened to be at the Event Horizon (what you might consider the point of no return, where even light can't escape) then you would see that person's watch as stopped completely. People often misinterpret this as that time stops at the event horizon, but this is not the case.

Say you threw a rock at that dude near the black hole and knocked him across the Event Horizon. He doesn't experience time as stopped (nor did he ever), it just keeps moving on as normal from his perspective. The way you experience reality (that you see the person's watch as stopped at the event horizon) isn't necessarily how that person experiences reality. He is in freefall, so he experiences time just as anyone else would in an inertial (freefall) reference frame. That's what relativity is all about.

This experience won't be long lived as the gravitational forces near the singularity at the center of the black hole will rip him apart, but he will still experience time inside a black hole.

All of this is obviously just based on what equations and theory tells us. No one has actually ever been able to dive into a black hole and even if they did, they'd have no way to tell anyone else about it.

2006-08-02 11:09:58 · answer #2 · answered by Anonymous · 1 0

Yes. At a much slower rate. Inside the black hole, to anyone able to observe us, we would appear to be standing still, because time has been slowed so much. Outside, centuries would pass, and it would be less than the blink of an eye to anyone inside the bending effect. Actaully, let me rephrase that; INSIDE a Black Hole, NOTHING exists. BEFORE you cross the event horizon, this time bending or slowing effect would occur.

2006-08-02 07:21:11 · answer #3 · answered by Quietman40 5 · 0 0

Your chum is sweet even as pointing out that black holes have not yet been shown. Conclusive evidence could be direct commentary, yet on account that they are so small, direct commentary isn't attainable, even with the biggest telescopes. the idea in the back of a black hollow is that a lack of life renowned man or woman collapses in on itself, with the aid of its personal gravity. with the aid of compaction of count number, the gravity will advance (smaller quantity yet similar mass), because the smaller quantity will exert a better pressure on the area-time continuum. Observations were made that help the idea of superdense and supergravity gadgets, which could all precise be black holes. so a techniques, it really is the perfect idea available, yet till some style of better direct commentary is made, it truly is in easy words that: a idea.

2016-11-27 21:02:42 · answer #4 · answered by ? 4 · 0 0

It's hard to tell. If you were being sucked into a black hole, the whole sucking process wouldn't take too long and you would be able to see what lies within. Whereas if you were watching someone being sucked in, it would seem like they were just suspended in midspace forever (spagettified of course). If you think about it, it could go both ways.

2006-08-02 08:09:40 · answer #5 · answered by never you mind 2 · 0 0

No one knows what exists inside black holes..
Probably nothing familiar to us...
Time as we commonly think of it may or may not exist
however "Time" does indeed exist everywhere.
If nothing is happening or changes very slowly then time
does indeed exist, its passage is simply imperceptable.
I believe Steven Hawking postulated that Black Holes are
not "immortal" and that without "food" they will slowly dissipate.
This means that they are not immune to the passage of time.

2006-08-02 07:56:01 · answer #6 · answered by Anonymous · 0 0

do not quesion the aura of mystery tied into the intergalactic battles the government is waging to keep our borders safe.
Little do you inferior people who just live your life never wondering if there really is life out here.
Never wondering how many people are dying for a planet theve been bred to defend but never actually seen.
Perhaps now you understand, we are all in a black hole.
And Time Stands still here.
AHAHAHAHAHAHAHAHAHA JUST KIDDING,

2006-08-02 07:22:27 · answer #7 · answered by Anonymous · 0 0

id say your perseption of it would change but that is if you could exist in a black hole

2006-08-02 07:23:30 · answer #8 · answered by Anonymous · 0 0

Yes, if they don't smash you into 1 square inch, it'll send you to another dimension!

2006-08-02 07:20:20 · answer #9 · answered by Don Dons! 3 · 0 0

According to "Big Bang"
20 billions years ago the time compressed up to zero.............
Then has taken place "Big Bang".
At first second was......
On second second was....
On third second was formed.....
………….
…………………..
………………………….. . .
etc.
It means that in the beginning the Time was Absolute.
Question:
How did different time later arisen?

http://www.socratus.com

2006-08-02 07:49:55 · answer #10 · answered by socratus 2 · 0 0

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