Users' questions

What does the theory of relativity apply to?

What does the theory of relativity apply to?

The theory of special relativity explains how space and time are linked for objects that are moving at a consistent speed in a straight line. One of its most famous aspects concerns objects moving at the speed of light.

What are the two principles of theory of relativity?

That’s where Einstein’s general theory of relativity comes in, because it can explain the general case of any sort of motion. Einstein’s theory was based on two key principles: The principle of relativity: The laws of physics don’t change, even for objects moving in inertial (constant speed) frames of reference.

Can you explain the theory of relativity to me?

What is general relativity? Essentially, it’s a theory of gravity. The basic idea is that instead of being an invisible force that attracts objects to one another, gravity is a curving or warping of space. The more massive an object, the more it warps the space around it.

What supports Einstein’s theory of relativity?

In 1919 observation of a solar eclipse confirmed Einstein’s prediction that light is bent in the presence of mass. This experimental support for his general theory of relativity garnered him instant worldwide acclaim. This has been measured directly and also through the gravitational redshift of light.

How is the theory of relativity related to special relativity?

General relativity. The theory of relativity usually encompasses two interrelated theories by Albert Einstein: special relativity and general relativity. Special Relativity applies to all physical phenomena in the absence of gravity. General relativity explains the law of gravitation and its relation to other forces of nature.

How are the Einstein field equations related to general relativity?

The relation is specified by the Einstein field equations, a system of partial differential equations . Some predictions of general relativity differ significantly from those of classical physics, especially concerning the passage of time, the geometry of space, the motion of bodies in free fall, and the propagation of light.

When was the final form of general relativity published?

The final form of general relativity was published in 1916. The term “theory of relativity” was based on the expression “relative theory” ( German: Relativtheorie) used in 1906 by Planck, who emphasized how the theory uses the principle of relativity. In the discussion section of the same paper,…

Why is general relativity a theory of extraordinary beauty?

Over the years, general relativity has acquired a reputation as a theory of extraordinary beauty. Subrahmanyan Chandrasekhar has noted that at multiple levels, general relativity exhibits what Francis Bacon has termed a “strangeness in the proportion” (i.e. elements that excite wonderment and surprise).