Question

What is the theory of relativity used for?

Answer 1

1. Theory of relativity: The theory describes how objects behave throughout space as well as time
2. Albert Einstein established that the laws of physics apply to all non-accelerating spectators or viewers, and he demonstrated that the speed of light throughout a vacuum remains constant regardless of the speed whereby an observer moves.
3. Example: The occurrence of black holes. Gravity causes light bending. The orbital behavior of Mercury (planet).