anti gravitons?

Question

alright, I know this sounds thick, stupid, dumb dumb.

but if there is such a thing as gravity, could there be an anti gravity please don't just answer "no"

imagine, it would be like magnets repeling each other

Answer 1

Here's the thing.

Gravitons are just a theory in their own right, so to speculate on the possible existence of an anti-graviton at this point is, unfortunately, futile.

In reference to APPU :

How do you figure that a graviton and gravity do not reference each other?


From DICTIONARY.COM
"A hypothetical particle postulated to be the quantum of gravitational interaction and presumed to have an indefinitely long lifetime, zero electric charge, and zero rest mass."


FROM PBS.ORG - THE ELEGANT UNIVERSE
Graviton
The graviton is the theorized force carrier of gravity. Gravity is by far the weakest of the four forces—much weaker even than the weak force. The reason gravity can seem like a substantial force is that it can only attract, and the more the mass is concentrated in an area, the stronger the gravitational force. Electromagnetism, on the other hand, is a repulsive force as well as an attractive force. Its positive and negative charges tend to cancel each other out, which neutralizes the overall force.

The graviton has not yet been observed or otherwise proven to exist. However, the rate at which the spin of neutron stars slows down is consistent with calculations that include the radiation of gravitons.


In Reference to HYPER:

I've been wondering something.

If gravity's influence is spread to other dimensions we cannot sense, could we not prove this to be possible by finding forces in our 3D universe that are propagating in another dimension and leaking into our own??

Answer 2

Gravitons is an hypotheical particle which is reponsible to mitigate electrostatic particle interaction.At Present Main Steam Physics does not tie the graviton as a gravity phenomena.
Physics believe it just another particle of of the atom structure.
Purely theoretical and speculative.

Anti - gravity would be a repulsive phenomena and it occurs only in the micro mass systems.
So the answer about does anti- gravity exist ,is YES.
To expalin why this happens required a theory which expains the mechanism of gravity.
General relativity and Newtonian Gravity theory only explains what happens in the Gravitational phenomena, but no
explanation abour it mechanism.

Michelson and Morley have tried to give Explanation in terms of what they believed what the Aether was; but their experiment only tested light and not the Gravity pheomena of the Aether.
So if you call gravity the Aether your guess is as good as another.
If Black holes exist and they represnted a gravity process ,then the density of space would be so dense that masses inside the black hole would repulse each other. This would be called black hole gravity repulsion.
Anti-Gravity would be then a black hole phenomena.
As opposed to a Black Hole infinite Gravity power of attraction.
Note your question is not dumb it even exceed the imagination of scientists. we need more ideas and hypothesis on Gravity.

Answer 3

Not a silly question at all actually.

Gravity has the natural tendency to draw matter together and is responsible for keeping the moon in orbit around the earth, the earth moving around the sun, the sun around the galaxy etc etc.
It binds matter together, makes it clumpier and although by far the weakest of the 4 fundmental fources in the universe it shapes our universe on a large scale.
However, astronomers know that the universe is expanding. They know this because the light from the galaxies looks redder than it aught to be, as the light is stretched as the galaxy recedes from us. The galaxies are actually flying apart. Not only that, but they are flying apart at an accelerating rate.
This is a suprising fact: we'de expect gravity to act to draw the galaxies together, and so slow down the speed at which the galaxies are flying apart.
Instead we have a mysterious force that acts repulsively at great distances, to make the galaxies move away from each other at a faster and faster rate. This is a kind of antigravity.
The source of this antigravity is unknown.

When einstien wrote down his equations describing gravity and applied them to the whole universe he found that they implied a universe that was expanding. But the prevailing idea at the time was that the universe was static. To take into account this, he added the cosmological constant to his equations ; a kind of fudge factor- a mysterious force that acts repusively at a great distance to keep the universie static. When the universe was later discovered to be expanding , einstien said this was the greatest blunder in his life. However, it turns out that this cosmological constant might not be zero after all and that this could account for the galaxies flying apart at an accelerating rate. The physical causes of this antigravity are still unknown.

So in summary then : not a silly question, in fact it is thought that antigravity does exist and causes the universe to expand at an accelerating rate. I hope this helps,

Paul

Answer 4

As far as current understanding goes, the answer is no.

Gravitons are the theorised carrier particles of the gravitational force, expected because the equivalent carrier particles for the other forces of nature are all known.

Now the first thing to note is this - where a force can be repulsive as well as attractive (electrostatic) it is still carried by the same carrier particle. In other words, the photon carries both the attractive and repulsive electrostatic forces (there is no such thing as magentism at this level - magentism is a relativistic effect on the electrostatic force).

So how do repulsive forces arise? Well, they depend on the nature of the interacting particles. There are two flavours of charge that particles interacting via the electrostatic force can have (+ve and -ve), and if they are the same the force is repulsive.

But there is only one flavour of mass that particles can have to interact via gravity.

Answer 5

Electric and magnetic repulsion both exist in the world of the atom, but there is no such thing as a graviton or anti graviton.

Answer 6

It is obvious that the force of gravity performs work. In order to perform work an energy source is needed. The concept concerning the existence of gravity is c2 = E/m. It is an energy to mass ratio. The c2 factor in this concept is that of physical time, or that of a gravitational field. They are the same. Because of the manner in which they are generated throughout the mass of our planet, were they of differing frequencies (hf) they should have been detected by now. It appears this force is one of magnitude, a single frequency "h" - so it cannot be detected.

Because matter and antimatter are composed of the same energy - electromagnetic, the final product of c2 = E/m becomes the same. The difference between matter and antimatter in our larger world has to do with mass spin. This value becomes lost in the micro-world of physical time.

I have a Yahoo blog "timebones" to explain this, "The Problem and Repair of Relativity" and "What is Time?"

Answer 7

What Scott i said... Let's work on finding the gravitons first.


String theory predicts that the bulk of the gravitational force propagates in super-dimensional directions that may not be as evident to us 3-D creatures....

Answer 8

It would make sense to think so, but it has never been found nor have the effects of it in distant galaxies been seen. It would make sense to believe that there would be anti matter but the only antiparticle is the positron and only in small amounts.

Answer 9

gravitons are elmentry particles
it is like this elementry particles
1)bosons
2)fermions

bosons
1)photons
2)gravitons
3)pions
3)K-mesons
again this are divided

let me tell u elementry particles are about 200 particles present in atoms apart from eletrons ,protonsand neutrons

gravitons do not refer to gravity

Answer 10

Although purely theoretical in nature, there is no more reason
to deny them than there is to support the them...
Logically, not a nonsense question and why not ?