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[BBC] - Powerful cosmic blast as black hole shreds star - Page 5

post #41 of 62
by the time the andromeda galaxy collides with us, our sun will be a red giant and earth will be baked anyway.. lol we are doomed no matter what within 500 million years ( or less ) if we don't get off this rock. there are many may ways that earth will die and us along with hit.. expanding out to other solar systems and galaxies is the only way to ensure survival
post #42 of 62
So if we get consumed by a black hole, we will be in slow motion??? Dam it it means matrix and max payne,woot.
Oh wait doesnt every1 run in slowmo:s???
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post #43 of 62
this is what happens when someone divides by zero. O_o
post #44 of 62
Quote:
Originally Posted by MoBeeJ View Post
So if we get consumed by a black hole, we will be in slow motion??? Dam it it means matrix and max payne,woot.
Oh wait doesnt every1 run in slowmo:s???
Not quite... An infalling subject, if not instantly ripped apart by the slight difference in gravitational accceleration, would have their time "slowed down", but they would not notice it. Their seconds would be our years, from the perspective of an outside observer, if we could abserve such things. Time dialates, from an external frame of reference, time for the infalling frame of reference slows down. But for the infalling frame, time is as usual, although if they could observe the outside frame of reference, things would be rather speedy on the outside.

It is like if you are on a jet plane. You are subjected to a slight amount of time dialation, and that is measures by extremely accurate atomic clocks. However, to you, your time continues to feel the same, just like time feels the same to the outside observer. Since there is no absolute frame of reference, every observer deals with time in their own frame, and make observations relative to those frames of other items or observers.

In the case of a black hole, the gravitational gradient is so high that no infalling item could hope to survive, simply because of say, you fell in feet first, your feet would be subjected to far more gravitational acceleration than your head - and because it is so extreme, each individual atom would be subjected to a different degree of acceleration, and be pulled apart from each other.

The subject star wouldn't have just wandered across a black hole - the black hole would have been leaching materials from the star for eons before the finale, which brought about the massive x-ray burst we observe. The x-rays themselves are not from the black hole itself, but rather, the exact event horizon, that point where gravitational acceleration is so intense that even slightly beyond, light can not escape. The x-rays are caused by particles, mostly electrons that have been accelerated to extremely high relativistic speeds, slamming into the materials at the event horizon.
post #45 of 62
Quote:
Originally Posted by EvanPitts View Post
Not quite... An infalling subject, if not instantly ripped apart by the slight difference in gravitational accceleration, would have their time "slowed down", but they would not notice it. Their seconds would be our years, from the perspective of an outside observer, if we could abserve such things. Time dialates, from an external frame of reference, time for the infalling frame of reference slows down. But for the infalling frame, time is as usual, although if they could observe the outside frame of reference, things would be rather speedy on the outside.

It is like if you are on a jet plane. You are subjected to a slight amount of time dialation, and that is measures by extremely accurate atomic clocks. However, to you, your time continues to feel the same, just like time feels the same to the outside observer. Since there is no absolute frame of reference, every observer deals with time in their own frame, and make observations relative to those frames of other items or observers.

In the case of a black hole, the gravitational gradient is so high that no infalling item could hope to survive, simply because of say, you fell in feet first, your feet would be subjected to far more gravitational acceleration than your head - and because it is so extreme, each individual atom would be subjected to a different degree of acceleration, and be pulled apart from each other.

The subject star wouldn't have just wandered across a black hole - the black hole would have been leaching materials from the star for eons before the finale, which brought about the massive x-ray burst we observe. The x-rays themselves are not from the black hole itself, but rather, the exact event horizon, that point where gravitational acceleration is so intense that even slightly beyond, light can not escape. The x-rays are caused by particles, mostly electrons that have been accelerated to extremely high relativistic speeds, slamming into the materials at the event horizon.
Relativity. All time is relative. Good post btw.
post #46 of 62
I still believe that gravity is part of the em spectrum... as is everything else in the universe.. x-rays, light, radio waves gamma rays, microwaves, etc I firmly believe Tesla's theory of dynamic gravity and the inverse square law of gravity..I sooo love Tesla!
post #47 of 62
Quote:
Originally Posted by Hard Line View Post
I still believe that gravity is part of the em spectrum...
No. Gravity isn't composed of photons. There's no way you could spin it for that to be a valid hypothesis.
    
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post #48 of 62
Quote:
Originally Posted by Anthraxinsoup View Post
She hot? And 18?
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post #49 of 62
It has been suggested it is similar to magnetic attraction.. however I feel Tesla explained it better with the inverse square of gravity.. I do think er are going to find that gravity is not a separate force from the others.. I tend to think outside the accepted norms.. and I don't see why all the forces are just different strengths of the same force? gravity being caused by an object with mass moving through the ether made of omnions ( Tesla's theory ) makes lot more sense and more likely to me than dark matter and energy ( which were invented by humans to explain the discrepancies in Einstein's equations )

Edit: on a side note, I also believe there is no line in time.. past present and future exist side by side
Edited by Hard Line - 6/17/11 at 8:48am
post #50 of 62
Quote:
Originally Posted by Hard Line View Post
It has been suggested it is similar to magnetic attraction.. however I feel Tesla explained it better with the inverse square of gravity.. I do think er are going to find that gravity is not a separate force from the others.. I tend to think outside the accepted norms.. and I don't see why all the forces are just different strengths of the same force?
As aroc91 already stated, gravity is not composed of photons so there is no way to show that gravity is the same as electromagnetism, strong force, or weak force.
Quote:
Originally Posted by Hard Line View Post
gravity being caused by an object with mass moving through the ether made of omnions ( Tesla's theory ) makes lot more sense and more likely to me than dark matter and energy ( which were invented by humans to explain the discrepancies in Einstein's equations )
Just because something "makes more sense" doesn't mean it's a valid explanation for observable phenomena. Energy is a measurable quantity. While dark matter hasn't been "proved" per se, there is a lot of observational evidence lending credit towards its existence. As far as I can tell, there is no evidence for the ether or for omnions, nor is there a way to measure them.
Quote:
Originally Posted by Hard Line View Post
Edit: on a side note, I also believe there is no line in time.. past present and future exist side by side
Care to elaborate?
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