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Einstein field equations and Gravity

Shortcuts: Differences, Similarities, Jaccard Similarity Coefficient, References.

Difference between Einstein field equations and Gravity

Einstein field equations vs. Gravity

The Einstein field equations (EFE; also known as Einstein's equations) comprise the set of 10 equations in Albert Einstein's general theory of relativity that describe the fundamental interaction of gravitation as a result of spacetime being curved by mass and energy. Gravity, or gravitation, is a natural phenomenon by which all things with mass or energy—including planets, stars, galaxies, and even light—are brought toward (or gravitate toward) one another.

Similarities between Einstein field equations and Gravity

Einstein field equations and Gravity have 26 things in common (in Unionpedia): Albert Einstein, Black hole, Classical limit, Cosmological constant, Curvature, Edwin Hubble, Electromagnetism, Energy, Equivalence principle, Expansion of the universe, Fundamental interaction, General relativity, Geodesics in general relativity, Geometrized unit system, Gravitational constant, Gravitational field, Gravitational wave, Kerr metric, Mass, Metric tensor (general relativity), Newton's law of universal gravitation, Physical cosmology, Quantum mechanics, Schwarzschild metric, Spacetime, Universe.

Albert Einstein

Albert Einstein (14 March 1879 – 18 April 1955) was a German-born theoretical physicist who developed the theory of relativity, one of the two pillars of modern physics (alongside quantum mechanics).

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Black hole

A black hole is a region of spacetime exhibiting such strong gravitational effects that nothing—not even particles and electromagnetic radiation such as light—can escape from inside it.

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Classical limit

The classical limit or correspondence limit is the ability of a physical theory to approximate or "recover" classical mechanics when considered over special values of its parameters.

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Cosmological constant

In cosmology, the cosmological constant (usually denoted by the Greek capital letter lambda: Λ) is the value of the energy density of the vacuum of space.

Cosmological constant and Einstein field equations · Cosmological constant and Gravity · See more »

Curvature

In mathematics, curvature is any of a number of loosely related concepts in different areas of geometry.

Curvature and Einstein field equations · Curvature and Gravity · See more »

Edwin Hubble

Edwin Powell Hubble (November 20, 1889 – September 28, 1953) was an American astronomer.

Edwin Hubble and Einstein field equations · Edwin Hubble and Gravity · See more »

Electromagnetism

Electromagnetism is a branch of physics involving the study of the electromagnetic force, a type of physical interaction that occurs between electrically charged particles.

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Energy

In physics, energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object.

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Equivalence principle

In the theory of general relativity, the equivalence principle is any of several related concepts dealing with the equivalence of gravitational and inertial mass, and to Albert Einstein's observation that the gravitational "force" as experienced locally while standing on a massive body (such as the Earth) is the same as the pseudo-force experienced by an observer in a non-inertial (accelerated) frame of reference.

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Expansion of the universe

The expansion of the universe is the increase of the distance between two distant parts of the universe with time.

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Fundamental interaction

In physics, the fundamental interactions, also known as fundamental forces, are the interactions that do not appear to be reducible to more basic interactions.

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General relativity

General relativity (GR, also known as the general theory of relativity or GTR) is the geometric theory of gravitation published by Albert Einstein in 1915 and the current description of gravitation in modern physics.

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Geodesics in general relativity

In general relativity, a geodesic generalizes the notion of a "straight line" to curved spacetime.

Einstein field equations and Geodesics in general relativity · Geodesics in general relativity and Gravity · See more »

Geometrized unit system

A geometrized unit system or geometric unit system is a system of natural units in which the base physical units are chosen so that the speed of light in vacuum, c, and the gravitational constant, G, are set equal to unity.

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Gravitational constant

The gravitational constant (also known as the "universal gravitational constant", the "Newtonian constant of gravitation", or the "Cavendish gravitational constant"), denoted by the letter, is an empirical physical constant involved in the calculation of gravitational effects in Sir Isaac Newton's law of universal gravitation and in Albert Einstein's general theory of relativity.

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Gravitational field

In physics, a gravitational field is a model used to explain the influence that a massive body extends into the space around itself, producing a force on another massive body.

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Gravitational wave

Gravitational waves are the disturbance in the fabric ("curvature") of spacetime generated by accelerated masses and propagate as waves outward from their source at the speed of light.

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Kerr metric

The Kerr metric or Kerr geometry describes the geometry of empty spacetime around a rotating uncharged axially-symmetric black hole with a spherical event horizon.

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Mass

Mass is both a property of a physical body and a measure of its resistance to acceleration (a change in its state of motion) when a net force is applied.

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Metric tensor (general relativity)

In general relativity, the metric tensor (in this context often abbreviated to simply the metric) is the fundamental object of study.

Einstein field equations and Metric tensor (general relativity) · Gravity and Metric tensor (general relativity) · See more »

Newton's law of universal gravitation

Newton's law of universal gravitation states that a particle attracts every other particle in the universe with a force which is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.

Einstein field equations and Newton's law of universal gravitation · Gravity and Newton's law of universal gravitation · See more »

Physical cosmology

Physical cosmology is the study of the largest-scale structures and dynamics of the Universe and is concerned with fundamental questions about its origin, structure, evolution, and ultimate fate.

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Quantum mechanics

Quantum mechanics (QM; also known as quantum physics, quantum theory, the wave mechanical model, or matrix mechanics), including quantum field theory, is a fundamental theory in physics which describes nature at the smallest scales of energy levels of atoms and subatomic particles.

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Schwarzschild metric

In Einstein's theory of general relativity, the Schwarzschild metric (also known as the Schwarzschild vacuum or Schwarzschild solution) is the solution to the Einstein field equations that describes the gravitational field outside a spherical mass, on the assumption that the electric charge of the mass, angular momentum of the mass, and universal cosmological constant are all zero.

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Spacetime

In physics, spacetime is any mathematical model that fuses the three dimensions of space and the one dimension of time into a single four-dimensional continuum.

Einstein field equations and Spacetime · Gravity and Spacetime · See more »

Universe

The Universe is all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy.

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The list above answers the following questions

Einstein field equations and Gravity Comparison

Einstein field equations has 91 relations, while Gravity has 200. As they have in common 26, the Jaccard index is 8.93% = 26 / (91 + 200).

References

This article shows the relationship between Einstein field equations and Gravity. To access each article from which the information was extracted, please visit:

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