New posts in Relativity

Does converting rest mass to energy instantly change the gravitational attraction it exerts?

Are there aspects of General Relativity that have yet to be tested?

How to combine thermal velocity concept and special relativity?

How can a mechanical clock tick slower due to time dilation?

If I travel for one day in a circle above ground at $0.99999999c$ and point a laser, will the ground see it for the whole time?

Parker Solar Probe passing extremely close to the Sun; what relativistic effects will it experience and how large will they be?

Is there a thermodynamic heuristic argument on why a redshifted blackbody spectrum is a blackbody at a new temperature?

What is spacetime (simple explanation)?

Does light with a wavelength on the Planck scale become a self-trapping black hole?

Where in Universe does time move faster than it moves on Earth?