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We are not sure yet. According to Einstein's highly successful theory of general relativity gravity is the result of spacetime being warped by the presence of matter and energy. Particles then follow these curves giving rise to the phenomenon of gravity.
In quantum field theory gravity is instead described as being transmitted by a spin-2 particle called the graviton. This approach has several problems however, which is the main reason why we are not sure yet. But because all the other fundamental forces are described very well by quantum field theory most physicists think that in the future it will be possible to describe gravity in this way.
To be a bit more technical gravity arises in any quantum field theory where you require that the laws of physics are the same for any observer. This is commonly referred to as general covariance or (local) Lorentz invariance.
What else can I help you with?
What characteristics will be guaranteed to change if on the Moon?
gravity
What are the characteristics of the graph of a function?
because of the gravity of the earth
What two characteristics affect gravity?
The answer is that the two characteristics that affect gravity are mass and newtons. There is less gravity on the moon than on the earth. A space suit weighs 180 pounds on earth but on the moon it weighed way less than it was when it was on earth.
What is personal entrepreneurial characteristics?
because of the gravity of the earth... :D
What characteristics determine whether a planet or moon can maintain an atmosphere?
gravity and temperature; It needs gravity so it can hold its atmosphere.
What is the force of gravity in materials?
I think the answer of the international gravity returns to the atomic characteristics of materials and the basilar forces between the atoms that has been unknown up to now.
What are the characteristics of gases?
Gases are not restricted by gravity, so the molecules fly around, rather than stick together.
What characteristics do all of the planets in our olar system share?
They all do have gravity, an axis, and all revolve around the sun.
What are the two characteristics of the thermosphere?
northern lights here between exosphere and mesosphere gravity and air pressure decrease
What characteristics of a star are related to each other?
Mass and gravity are directly connected, and luminosity is closely related to mass.
What are two characteristics of a black hole?
their black and they have tremendous gravity, due to them being a collapsed star that have imploded onto itself.
What characteristics of an object remains constant regardless of a change in gravity?
The mass of an object remains constant regardless of a change in gravity. This means that an object will have the same amount of matter whether it is on Earth, the Moon, or in space.
