General theory of relativity equation

What is the general theory of relativity in simple terms?

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 math is used in general relativity?

In Einstein’s theory of general relativity, the Schwarzschild metric (also Schwarzschild vacuum or Schwarzschild solution), is a solution to the Einstein field equations which describes the gravitational field outside a spherical mass, on the assumption that the electric charge of the mass, the angular momentum of the

What is General Relativity used for?

The general theory of relativity (or general relativity for short) is a major building block of modern physics. It explains gravity based on the way space can ‘curve’, or, to put it more accurately, it associates the force of gravity with the changing geometry of space-time.

Is general relativity correct?

So now, as far as we know, even outside our solar system, general relativity is the correct theory of gravity, Collett said. This team of astronomers hopes to study even farther galaxies and lenses, further verifying that gravity works the same throughout the cosmos.

How many theories of relativity are there?

two

What did Einstein mean by time is relative?

In the Special Theory of Relativity, Einstein determined that time is relative–in other words, the rate at which time passes depends on your frame of reference. The effect of time slowing down is negligible at speeds of everyday life, but it becomes very pronounced at speeds approaching that of light.

Is general relativity difficult?

While relativity has a reputation for being intimidatingly difficult, it’s a peculiar kind of difficulty. Coming at the subject without any preparation, you hear all kinds of crazy things about time dilating and space stretching, and it seems all very recondite and baffling.

What math do you need for cosmology?

This usually includes 2-3 semesters of calculus, differential equations, linear algebra, advanced calculus, etc. And depending on the college, they may have one or two astronomy classes available such as intro. to astronomy and observational astronomy.

Who invented calculus?

Researchers in England may have finally settled the centuries-old debate over who gets credit for the creation of calculus. For years, English scientist Isaac Newton and German philosopher Gottfried Leibniz both claimed credit for inventing the mathematical system sometime around the end of the seventeenth century.

How did Einstein prove general relativity?

Einstein postulated three ways this theory could be proved. One was by observing the stars during a total solar eclipse. The sun is our closest strong gravitational field. Light traveling from a star through space and passing the sun’s field would be bent, if Einstein’s theory were true.

Is General Relativity a field theory?

In these cases, one is simply doing field theory using general relativity and looking for finite effects at low energy. However, effective field theory is a way of thinking about field theory that allows us to better understand what is calculable in a theory like quantum general relativity.

Who invented gravity?

Isaac Newton

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Why is general relativity wrong?

Yet most researchers think general relativity is wrong. incomplete . After all, the other forces of nature are governed by quantum physics; gravity alone has stubbornly resisted a quantum description. The fix is dark matter, particles invisible to light but endowed with gravity.

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