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searching for Gravitational energy 78 found (122 total)

Vacuum solution (general relativity) (841 words) [view diff] no match in snippet view article

In general relativity, a vacuum solution is a Lorentzian manifold whose Einstein tensor vanishes identically. According to the Einstein field equation

Strong gravity (281 words) [view diff] exact match in snippet view article find links to article

The concept of strong gravity follows from applying the potential gravitational energy to the term of heat in the equation of the first law of thermodynamics

Zero-energy universe (1,412 words) [view diff] exact match in snippet view article find links to article

constraint was derived in 1987 when Alan Guth published a proof of gravitational energy being negative. The question of the mechanism permitting generation

Ostriker–Peebles criterion (132 words) [view diff] exact match in snippet view article find links to article

galaxies. Based on the first kinetic energy component T and the total gravitational energy W, a galaxy will become barred when TW>0.15{\displaystyle {\frac

Supernova neutrinos (4,391 words) [view diff] exact match in snippet view article find links to article

antineutrino species are roughly the same. They carry away about 99% of the gravitational energy of the dying star as a burst lasting tens of seconds. The typical

Stress–energy–momentum pseudotensor (1,700 words) [view diff] exact match in snippet view article find links to article

and Lifshitz were led by four requirements in their search for a gravitational energy momentum pseudotensor, tLLμν{\displaystyle t_{LL}^{\mu \nu }\,}:

Binary black hole (3,928 words) [view diff] exact match in snippet view article find links to article

spiraling inward and merging, GW150914 released around 3 solar masses as gravitational energy, peaking at a rate of 3.6×1049 watts – more than the combined power

Positive energy theorem (3,567 words) [view diff] exact match in snippet view article find links to article

geometry. Its standard form, broadly speaking, asserts that the gravitational energy of an isolated system is nonnegative, and can only be zero when the

Shell collapsar (424 words) [view diff] exact match in snippet view article find links to article

matter and simply Einstein's field equations describing intense gravitational energy density, comparable as E/c² to the neutron matter density. Marshall

Symmetry breaking (1,714 words) [view diff] exact match in snippet view article find links to article

the top of the hill it is fixed under rotations, but it has higher gravitational energy at the top. At the bottom, it is no longer invariant under rotations

BF Orionis (627 words) [view diff] exact match in snippet view article find links to article

still accreting mass, producing about 2L☉ through the release of gravitational energy, and is surrounded by a massive, optically thick protoplanetary disk

Accretion disk (4,355 words) [view diff] exact match in snippet view article find links to article

redistribution. If matter is to fall inward it must lose not only gravitational energy but also lose angular momentum. Since the total angular momentum

STS-41 (1,222 words) [view diff] exact match in snippet view article find links to article

Sun began with a sixteen month trip to Jupiter where the planet's gravitational energy was used to fling Ulysses southward out of the orbital plane of the

Protoplanetary nebula (1,147 words) [view diff] exact match in snippet view article find links to article

Magneto-centrifugal launching from the disk surface is then a way to convert gravitational energy into the kinetic energy of a fast wind in these systems. If the accretion-disk

Katabatic wind (830 words) [view diff] exact match in snippet view article find links to article

sheets and the elevation of the ice sheets brings into play enormous gravitational energy. Where these winds are concentrated into restricted areas in the

Ak-Talaa District (592 words) [view diff] exact match in snippet view article find links to article

mountains are characterized by severely dissected topography and high gravitational energy of slopes. The differences in absolute mean sea levels ranges from

Stellar core (1,845 words) [view diff] exact match in snippet view article find links to article

ceases, the core starts to collapse and it is so large that the gravitational energy actually increases the temperature and luminosity of the star for

Dynamo theory (4,393 words) [view diff] exact match in snippet view article find links to article

from the core. Heat sources include gravitational energy released by the compression of the core, gravitational energy released by the rejection of light

Inhomogeneous cosmology (2,962 words) [view diff] exact match in snippet view article find links to article

argued in the New Journal of Physics that quasilocal variations in gravitational energy had in 1998 given the false conclusion that the expansion of the

Richard C. Tolman (1,139 words) [view diff] exact match in snippet view article find links to article

zero energy. He explained how all mass energy is positive and all gravitational energy is negative and they cancel each other out, leading to a universe

Across the Zodiac (312 words) [view diff] exact match in snippet view article find links to article

The book details the creation and use of apergy, a form of anti-gravitational energy, and details a flight to Mars in 1830. The planet is inhabited by

Explosion (2,199 words) [view diff] exact match in snippet view article find links to article

estimated to have radiated away nine solar masses in the form of gravitational energy. The most common artificial explosives are chemical explosives, usually

A Journey in Other Worlds (372 words) [view diff] exact match in snippet view article find links to article

requested annexation. Space travel is achieved through apergy, an anti-gravitational energy force. Jupiter proves to be a jungle world, with flesh-eating plants

Daryapur (609 words) [view diff] exact match in snippet view article find links to article

dam which does not require electricity, and works completely on gravitational energy. Daryapur and Anjangaon hold records in the Limca book for supplying

Orbital decay (1,984 words) [view diff] exact match in snippet view article find links to article

observations of neutron star orbits. All orbiting bodies radiate gravitational energy, hence no orbit is infinitely stable. Satellites using an electrodynamic

List of contributors to general relativity (1,810 words) [view diff] exact match in snippet view article find links to article

conditions, Lichnerowicz equation), Evgeny M. Lifshitz (Landau–Lifschitz gravitational energy–momentum complex, BKL conjecture, textbook), Alan P. Lightman (problem

Tianwen-4 (1,653 words) [view diff] exact match in snippet view article find links to article

transfer processes such as the tidal transfer and dissipation of gravitational energy between the planet, moons, the plasma torus, and the entire magnetosphere

Mass in general relativity (3,255 words) [view diff] exact match in snippet view article find links to article

situations it is possible to rewrite the equations so that part of the "gravitational energy" now stands alongside the other source terms in the form of the

Mechanical resonance (1,423 words) [view diff] exact match in snippet view article find links to article

again. In the pendulum, for example, all the energy is stored as gravitational energy (a form of potential energy) when the bob is instantaneously motionless

Stellar rotation (3,366 words) [view diff] exact match in snippet view article find links to article

center of this disk a protostar forms, which gains heat from the gravitational energy of the collapse. As the collapse continues, the rotation rate can

Peter Bergmann (948 words) [view diff] exact match in snippet view article find links to article

the conservation of energy law because mass-energy is positive and gravitational energy is negative and they cancel each other out and so our universe than

Solar-powered desalination unit (1,146 words) [view diff] exact match in snippet view article find links to article

cloudy days, improving overall efficiency. Alternatively, stored gravitational energy can be harnessed to provide energy to a solar-powered reverse osmosis

Eddington luminosity (2,793 words) [view diff] exact match in snippet view article find links to article

energy actually radiated of that theoretically available from the gravitational energy release of accreting material, enters in an essential way. The Eddington

Star (16,321 words) [view diff] exact match in snippet view article find links to article

globules". As a globule collapses and the density increases, the gravitational energy converts into heat and the temperature rises. When the protostellar

Hertzsprung–Russell diagram (2,771 words) [view diff] exact match in snippet view article find links to article

lifetimes. Stars were thought therefore to radiate energy by converting gravitational energy into radiation through the Kelvin–Helmholtz mechanism. This mechanism

Anti-gravity (3,989 words) [view diff] exact match in snippet view article find links to article

fantasy and science fiction. Apergy is a fictitious form of anti-gravitational energy first described by Percy Greg in his 1880 sword and planet novel

Physical oceanography (3,729 words) [view diff] exact match in snippet view article find links to article

for the atmospheric circulation) comes from solar radiation and gravitational energy from the sun and moon. The amount of sunlight absorbed at the surface

Red dwarf (4,240 words) [view diff] exact match in snippet view article find links to article

the rate of fusion declines and the core starts to contract. The gravitational energy released by this size reduction is converted into heat, which is

Lord Kelvin (10,744 words) [view diff] exact match in snippet view article find links to article

period in the early life of a star, during which it shines from gravitational energy (correctly calculated by Kelvin) before fusion and the main sequence

Fine-tuned universe (4,618 words) [view diff] exact match in snippet view article find links to article

astronomical structures would not be able to form. Q, the ratio of the gravitational energy required to pull a large galaxy apart to the energy equivalent of

Jerzy Juliusz Kijowski (349 words) [view diff] exact match in snippet view article find links to article

Theory, as well as providing new, original positivity proof for gravitational energy. He was awarded several scientific awards, including: Award of the

Collapse of the World Trade Center (12,984 words) [view diff] exact match in snippet view article find links to article

of the structure. Structural components were severed, releasing gravitational energy that transferred loads downwards by way of serially propagating impact

Perpetual motion (5,253 words) [view diff] exact match in snippet view article find links to article

them to spin for long periods. Tides on Earth are dissipating the gravitational energy of the Moon/Earth system at an average rate of about 3.75 terawatts

Yakov Zeldovich (2,779 words) [view diff] case mismatch in snippet view article find links to article

Zel'dovich, Ya.B. (1964). "The Fate of a Star and the Evolution of Gravitational Energy Upon Accretion". Sov. Phys. Dokl. 9: 195. Bibcode:1964SPhD....9.

YAT Anshin! Uchū Ryokō (2,458 words) [view diff] exact match in snippet view article find links to article

While working on the prototype of the tunnel, he was absorbed by the gravitational energy which came from the tunnel, leaving him in a different dimension

Hayashi track (3,733 words) [view diff] exact match in snippet view article find links to article

under their own gravity, becoming protostars. The collapse releases gravitational energy, which heats up the protostar. This process occurs on the free fall

King Ghidorah (5,821 words) [view diff] exact match in snippet view article find links to article

extend to infinite lengths, nigh-invisible to machines save for the gravitational energy he emanates, strong enough to deflect Godzilla's heat ray or actually

Scalar–tensor theory (3,463 words) [view diff] exact match in snippet view article find links to article

observable effects for the motion of matter configurations to which gravitational energy contributes significantly. This is known as the "Dicke–Nordtvedt"

Orbit (8,169 words) [view diff] exact match in snippet view article find links to article

and decreases as they approach one another. For point masses, the gravitational energy decreases to zero as they approach zero separation. It is convenient

Mikheyev–Smirnov–Wolfenstein effect (1,865 words) [view diff] exact match in snippet view article find links to article

all flavors, and supernova neutrinos carry away about 99% of the gravitational energy of the supernova and are considered strongest source of cosmic neutrinos

Herbig–Haro object (4,063 words) [view diff] exact match in snippet view article find links to article

surrounding nebula, and most of their luminosity is accounted for by gravitational energy. They are generally still shrouded in dense clouds of dust and gas

Bimetric gravity (3,356 words) [view diff] exact match in snippet view article find links to article

S2CID 122332164. Rosen, Nathan (October 1985). "Localization of gravitational energy". Foundations of Physics. 15 (10): 997–1008. Bibcode:1985FoPh...15

Sun (18,759 words) [view diff] exact match in snippet view article find links to article

potential energy. According to the virial theorem, half of this released gravitational energy goes into heating, which leads to a gradual increase in the rate

Roger Penrose (7,800 words) [view diff] exact match in snippet view article find links to article

region with strong but finite curvature, from which some of the gravitational energy may be extractable by what is known as the Penrose process, while

Flyby anomaly (2,274 words) [view diff] exact match in snippet view article find links to article

According to the Céspedes-Curé hypothesis, the movement through variable gravitational energy density fields produces slight variations of the refractive index

Bernoulli's principle (10,122 words) [view diff] exact match in snippet view article find links to article

kinetic energy entering, the energy entering in the form of potential gravitational energy of the fluid, the fluid thermodynamic internal energy per unit of

Neutrino (13,693 words) [view diff] exact match in snippet view article find links to article

& White (1966) calculated that neutrinos carry away most of the gravitational energy released during the collapse of massive stars, events now categorized

Effective mass (spring–mass system) (2,626 words) [view diff] exact match in snippet view article

corresponding Lagrangian, one must find beforehand the potential gravitational energy of the spring: U=∫springdmgs{\displaystyle U=\int \limits _{\mathrm

Spacecraft propulsion (7,743 words) [view diff] exact match in snippet view article find links to article

destinations without the expense of reaction mass; harnessing the gravitational energy of other celestial objects allows the spacecraft can pick up kinetic

Future of Earth (10,921 words) [view diff] exact match in snippet view article find links to article

S2CID 10557604. Stacey, F. D.; Stacey, C. H. B. (January 1999), "Gravitational energy of core evolution: implications for thermal history and geodynamo

Nuclear binding energy (7,410 words) [view diff] exact match in snippet view article find links to article

of the particles pulled apart to infinite distance (just like the gravitational energy of planets of the Solar System), because energy must be utilized

Choujinki Metalder (10,550 words) [view diff] exact match in snippet view article find links to article

feelings as humans and a sense of right and wrong. Powered by 'super-gravitational energy', his killing techniques include "Laser Arm", "G-Kick", "Metal Tornado"

Inflation (cosmology) (12,825 words) [view diff] exact match in snippet view article

non-inflationary cosmos. This is because the "seed" amount of non-gravitational energy required for the inflationary cosmos is so much less than that for

Tabby's Star (8,389 words) [view diff] exact match in snippet view article find links to article

temporary and unobserved increase in brightness due to the release of gravitational energy. As the planet fell into its star, it could have been ripped apart

General relativity (22,670 words) [view diff] exact match in snippet view article find links to article

that they provide a supremely efficient mechanism for converting gravitational energy into electromagnetic radiation. Accretion, the falling of dust or

White dwarf (18,161 words) [view diff] exact match in snippet view article find links to article

displacing heavier liquid downward, thus causing a net release of gravitational energy. Chemical fractionation between the ionic species in the plasma mixture

Two-body problem in general relativity (6,720 words) [view diff] exact match in snippet view article find links to article

solved analytically in terms of the Lambert W function. However, the gravitational energy between the two bodies is exchanged via dilatons rather than gravitons

Paul Steinhardt (6,577 words) [view diff] exact match in snippet view article find links to article

bounce to bounce every 100 billion years or so. After each bounce, gravitational energy is converted into the matter and radiation that fuels the next cycle

First observation of gravitational waves (7,587 words) [view diff] exact match in snippet view article find links to article

substantial amount of their mass would theoretically be converted into gravitational energy, and travel outward as gravitational waves, allowing a greater than

Shing-Tung Yau (10,422 words) [view diff] exact match in snippet view article find links to article

physical terms: In Einstein's theory of general relativity, the gravitational energy of an isolated physical system is nonnegative. However, it is a precise

Emmy Noether (13,134 words) [view diff] exact match in snippet view article find links to article

conservation of energy seemed to be violated in general relativity, because gravitational energy could itself gravitate. Noether provided the resolution of this paradox

Geoneutrino (3,805 words) [view diff] exact match in snippet view article find links to article

secular cooling of the Earth, growth of the Earth's inner core (gravitational energy and latent heat contributions), and other processes. The most important

History of special relativity (16,641 words) [view diff] exact match in snippet view article find links to article

theories is that they implicitly contain a negative value for the gravitational energy in the vicinity of matter, which would violate the energy principle

Astrophysical X-ray source (8,344 words) [view diff] exact match in snippet view article find links to article

holes give off radiation because matter falling into them loses gravitational energy which may result in the emission of radiation before the matter falls

Economy of Ohio (15,210 words) [view diff] case mismatch in snippet view article find links to article

Performance Materials develops the Piranha Unmanned Surface Vessel. Gravitational Energy Corporation, located in Cuyahoga Falls, proliferates Gravity Assisted

List of scientific publications by Albert Einstein (4,126 words) [view diff] exact match in snippet view article find links to article

and that the new theory of gravitation must be non-linear, since gravitational energy can itself gravitate. Schilpp 47; CP 4, 4 1912 Theorie des statischen

List of Kamen Rider W characters (22,159 words) [view diff] exact match in snippet view article find links to article

(クレイドール・ドーパント, Kureidōru Dōpanto), granting her the ability to produce gravitational energy shots and reform her Dopant body if it gets shattered. After being

Water supply in Vienna (2,834 words) [view diff] exact match in snippet view article find links to article

seven pressure zones. 95% of the households are supplied due to gravitational energy – i.e. without a pump. Only a few pressure zones ("yellow") have