# How Fast Do Gravitational Waves Travel?

## Can gravitational waves travel faster than light?

Introduction. The speed of gravitational waves in the general theory of relativity is equal to the speed of light in a vacuum, c. Within the theory of special relativity, the constant c is not exclusively about light; instead it is the highest possible speed for any interaction in nature.

## Do gravitational waves affect time?

Gravitational waves distort space-time but they don’t change the relative gravitational potential between two points significantly, and it is the difference in gravitational potential between two frames that causes those in a frame to observe a different rate of passage of time in the other frame.

## Why does gravity move at the speed of light?

In general relativity, on the other hand, gravity propagates at the speed of light; that is, the motion of a massive object creates a distortion in the curvature of spacetime that moves outward at light speed.

## Do gravitational waves lose energy?

As @uhoh points out, they do lose some energy when they interact with matter. It’s a wave, and like any other wave, it loses flux (power over area) with the square of the distance. That is, if you double the distance it travels, your wave will have a quarter of the flux it had.

## Why is gravity 9.81 ms 2?

“9.81 meters per second squared” means that objects on Earth will accelerate (or go faster) 9.81 meters every second, if they are in free fall, due to the pull of gravity. Throughout space, gravity actually is constant.

## Which is faster gravity or light?

Kopeikin and Fomalont concluded that the speed of gravity is between 0.8 and 1.2 times the speed of light, which would be fully consistent with the theoretical prediction of general relativity that the speed of gravity is exactly the same as the speed of light.

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## Can you feel a gravitational wave?

We can hear gravitational waves, in the same sense that sound waves travel through water, or seismic waves move through the earth. The difference is that sound waves vibrate through a medium, like water or soil. For gravitational waves, spacetime is the medium. It just takes the right instrument to hear them.

## Is gravity a wave or particle?

Gravity is a force. For all other forces that we are aware of (electromagnetic force, weak decay force, strong nuclear force) we have identified particles that transmit the forces at a quantum level. In quantum theory, each particle acts both as a particle AND a wave. This is called duality.

## Can gravity be generated?

Artificial gravity can be created using a centripetal force. Thus, the “gravity” force felt by an object the centrifugal force perceived in the rotating frame of reference as pointing “downwards” towards the hull. 