Gravity moves at speed of light

[silverpig]

The answer for the first one is "a black hole"

The event horizon is just the "point of no return" if you will, for a particular black hole.

 

[Hayabusa Rider]

Originally posted by: silverpig
The answer for the first one is "a black hole" The event horizon is just the "point of no return" if you will, for a particular black hole.

Ok, I grant that is what most people, probably Moonbeam as well (although I am reluctant to predict what M is thinking definitively ) think of are black holes, however there may be things which have event horizons and are superdense which are most certainly not black holes

Event horizons are definitely effects and not causes. So bill me

 

[silverpig]

I wonder...

Single protons are themselves probably dense enough to be considered black holes... I don't know how that'd all work though as I haven't taken any formal courses on that aspect of it all...

 

[silverpig]

Originally posted by: Hayabusarider
So bill me

Alrighty. You owe me 1 down payment on a Ducati

 

[Madcowz]

no sir... actually an event horizon is rather a kick-ass sci-fi movie

 

[Moonbeam]

Well I was deffinitely not thinking of either because they refer to things whose gravity is so strong that lightnot gravity) can't escape. I was thinking more of a time, really a time before time, when gravity had not begun it's journey at the speed of light becaose everything that is, gravity encluded, had no space to cross. Such a thing is not just a singularity because a singularity exists in space, but this thingi is everything with no space. My questions sort of emply the geometry of a figure eight or an hourglass, since time may also be passing, in some sense through the funnel, but an hourglass you don't necessarily have to trun over because it is running both ways at once like a mobius. It's sort of like the blown ends of the glass are the curvature of soace and the funnel the point of creation and end all at once. And maybe there are seven of those hourglasses that are really an octave of eight.

 

[Heisenberg]

Originally posted by: Moonbeam
Well I was deffinitely not thinking of either because they refer to things whose gravity is so strong that light can't escape. I was thinking more of a time, really a time before time, when gravity had not begun it's journey at the speed of light becaose everything that is, gravity encluded, had no space to cross. Such a thing is not just a singularity because a singularity exists in space, but this thingi is everything with no space. My questions sort of emply the geometry of a figure eight or an hourglass, since time may also be passing, in some sense through the funnel, but an hourglass you don't necessarily have to trun over because it is running both ways at once like a mobius. It's sort of like the blown ends of the glass are the curvature of soace and the funnel the point of creation and end all at once. And maybe there are seven of those hourglasses that are really an octave of eight.

*low whistle* Whoa.

 

[Moonbeam]

What is it called when a force reaches a state when it is nolonger another force? Is that called a "break in semetry". I can't remember. I'm thingking temperatures and pressures where say the magnetic and electric force or the strong and weak force were identical or unified. How many of those do we know of. I think there should be seven and the one where they are all bound together as eight.

 

[CSFM]

Originally posted by: TheShiz
I wonder what MC Stephen Hawking has to say about this:

Hawking

Tim

Classic site!!!!!!!!!

 

[Heisenberg]

What is it called when a force reaches a state when it is nolonger another force? Is that called a "break in semetry". I can't remember. I'm thingking temperatures and pressures where say the magnetic and electric force or the strong and weak force were identical or unified. How many of those do we know of. I think there should be seven and the one where they are all bound together as eight.

There are four fundamental forces - gravity, electromagnetic, weak nuclear, strong nuclear. It's been proven that three of them, all except gravity, unify at a high enough energy. I'm not sure what you're referring to about symmetry - it generally refers to the laws of physics being the same if particles have the opposite spin and are antiparticles.

Edit: If you mean symmetry breaking, that's what it's called when particles at low energies appear to be completely different, but are actually the same type of particle in different states. At a high enough energy, they are identical. Obviously, this is important to unifying the forces.

 

[Zebo]

So what do you call the thing whose gravity is so strong that gravity can't excape?
An event horizon

No, it's the center point of a balck hole. We'd even be safe living there but on the event horizen ouch.

Does energy have gravity? E= mc squared.
Yes

Electromagnetic does, wave partice duality


What is entropy?
The measure of order in a system

Or disorder. I like that better.

Does all energy cease to exist and become matter?
No

1st law...Energy is conserved.

Where does heat go?
Everywhere

[carbonyls dad after i left the door open as a kid] "what are you tring to do cool the whole neigborhood" [carbonyls dad]

Is heat related to gravity?
Don't think so.


Ya why do you think we have vulcanos and magma?
good answers hay.

 

[oLLie]

Someone give me something smart to say, I want to look smart too!

 

[Moonbeam]

OK, oLLie, I don't know how smart it is, but tell Carbonyl he's making the same reading error that was made earlier. A black hole is a place from which light can't escape. What is a place from which gravity is strong GRAVITY (Not just light) can't escape.

You could also say something like, "Her who controls gravity controls the universe."

 

[deftron]

So if the Sun imploded..

we'd have 8 minutes before total darkess and flying off into space ?

 

[Hayabusa Rider]

Originally posted by: deftron
So if the Sun imploded.. we'd have 8 minutes before total darkess and flying off into space ?

Yep

 

[silverpig]

Originally posted by: Moonbeam
OK, oLLie, I don't know how smart it is, but tell Carbonyl he's making the same reading error that was made earlier. A black hole is a place from which light can't escape. What is a place from which gravity is strong GRAVITY (Not just light) can't escape.

You could also say something like, "Her who controls gravity controls the universe."

Moonbeam brings up a VERY good point here. Light cannot escape from a black hole because the escape velocity for a particle trying to leave the black hole from inside the event horizon is greater than the speed of light. If gravitons also travel at the speed of light, then there has to be something inherently different in the way they travel. After all, if we think of gravitons as being similar to photons and being pseudo-particles originating from a source, they would have to try and escape the black hole from within the event horizon.

I guess we can draw a few conclusions from this.

I guess gravitons must be able to get out of the event horizon without having to actually traverse the space inside it. Perhaps they travel in 4 spatial dimensions?

Maybe the graviton/matter interaction is a one way thing. Gravitons can affect matter, but matter cannot affect them... only create them (creating energy there?)

Perhaps gravitons originate from the actual curves in space and not from the matter itself. Maybe the black hole effects the curve, but the curve itself is what creates the gravitons and pulls you in...

Interesting thoughts at least. I'd really like to talk to a prof about this when I get another chance...

 

[Hayabusa Rider]

Originally posted by: silverpig

Originally posted by: Moonbeam OK, oLLie, I don't know how smart it is, but tell Carbonyl he's making the same reading error that was made earlier. A black hole is a place from which light can't escape. What is a place from which gravity is strong GRAVITY (Not just light) can't escape. You could also say something like, "Her who controls gravity controls the universe."

Moonbeam brings up a VERY good point here. Light cannot escape from a black hole because the escape velocity for a particle trying to leave the black hole from inside the event horizon is greater than the speed of light. If gravitons also travel at the speed of light, then there has to be something inherently different in the way they travel. After all, if we think of gravitons as being similar to photons and being pseudo-particles originating from a source, they would have to try and escape the black hole from within the event horizon. I guess we can draw a few conclusions from this. I guess gravitons must be able to get out of the event horizon without having to actually traverse the space inside it. Perhaps they travel in 4 spatial dimensions? Maybe the graviton/matter interaction is a one way thing. Gravitons can affect matter, but matter cannot affect them... only create them (creating energy there?) Perhaps gravitons originate from the actual curves in space and not from the matter itself. Maybe the black hole effects the curve, but the curve itself is what creates the gravitons and pulls you in... Interesting thoughts at least. I'd really like to talk to a prof about this when I get another chance...

The answer is gravitons ARE gravity. They do not need to be able to escape from themselves.

 

[Moonbeam]

Then why would the universe appear to have a starting point when gragitrons were all in no space.

 

[silverpig]

Brain short circuits here...

 

[Jeff7]

This is what we learned in physics, that the speed of light/EM radiation is the maximum for anything in the Universe, at least through normal space. Gravity is a force, and it too is unable to exceed this speed.

 

[Darein]

Originally posted by: Madcowz
no sir... actually an event horizon is rather a kick-ass sci-fi movie

That movie scares me. The idea of gravity particles is kind of hard to fathom. Not to mention multiple dimensions, string theory, even basic wave theory hurts some times. Hawking's A Brief History of Time is a great book to learn about some physics theories. I thoroughly enjoyed it.

 

[dugweb]

Originally posted by: BDawg

Originally posted by: Darein
Yeah. An article said that if the sun were to disappear it would take about 8 minutes for the Earth to react.

At the same time, the second we saw that it disappeared, the effect of gravity would already be on us...so it's not like you'd have 8 minutes for last chance sex.

roflmao

 

[HomeBrewerDude]

Originally posted by: Hayabusarider

Originally posted by: silverpig

Originally posted by: Moonbeam OK, oLLie, I don't know how smart it is, but tell Carbonyl he's making the same reading error that was made earlier. A black hole is a place from which light can't escape. What is a place from which gravity is strong GRAVITY (Not just light) can't escape. You could also say something like, "Her who controls gravity controls the universe."

Moonbeam brings up a VERY good point here. Light cannot escape from a black hole because the escape velocity for a particle trying to leave the black hole from inside the event horizon is greater than the speed of light. If gravitons also travel at the speed of light, then there has to be something inherently different in the way they travel. After all, if we think of gravitons as being similar to photons and being pseudo-particles originating from a source, they would have to try and escape the black hole from within the event horizon. I guess we can draw a few conclusions from this. I guess gravitons must be able to get out of the event horizon without having to actually traverse the space inside it. Perhaps they travel in 4 spatial dimensions? Maybe the graviton/matter interaction is a one way thing. Gravitons can affect matter, but matter cannot affect them... only create them (creating energy there?) Perhaps gravitons originate from the actual curves in space and not from the matter itself. Maybe the black hole effects the curve, but the curve itself is what creates the gravitons and pulls you in... Interesting thoughts at least. I'd really like to talk to a prof about this when I get another chance...

The answer is gravitons ARE gravity. They do not need to be able to escape from themselves.

Or gravitons are space.

 

[silverpig]

Okay, photons are "ripples" in the electric and magnetic fields. They're sort of like ripples on the surface of a pond I guess.

From that we can assume gravitons are "ripples" in the gravitational field.


Since we know that gravity curves space, and that light bends as it goes around a massive object, we can conclude that the electric and magnetic fields are tied into space. Since light cannot escape the curvature of a black hole, this is further data.

Now, since we know that gravitons can make it out of a black hole, despite having the same velocity as light, we can hypothesize that the gravitational field is not tied into space. The gravitational field curves space and is not curved by it like the E&M fields are.

 

[Triumph]

Originally posted by: silverpig
The answer for the first one is "a black hole"

The event horizon is just the "point of no return" if you will, for a particular black hole.

No, a black hole has gravity. Huge amounts of it. There are actually many stars out there that orbit black holes (a binary star system). This is one of the main ways that scientists are able to prove the existence of a black hole: a star orbiting around seemingly nothing.