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250 relations: Acoustics, Age of the universe, AIP Conference Proceedings, Albert Einstein, Alpha Centauri, American Mathematical Society, Amplitude, Angular momentum, Anti-gravity, Arecibo Observatory, Arkady and Boris Strugatsky, Arthur Eddington, Artificial gravity, Astronomy, Astrophysics, Barry Barish, BBC News, BICEP and Keck Array, Big Bang, Big Bang Observer, Binary black hole, Binary pulsar, Binary star, Birkhoff's theorem (relativity), Black hole, Boson, Brownian motion, California Institute of Technology, Chongqing University, Chronology of the universe, Circular orbit, Circular polarization, Classical and Quantum Gravity, Classical mechanics, Compact star, Cosmic dust, Cosmic microwave background, Cosmic ray, Cosmic string, Cruciform, Cryogenics, David Douglass (physicist), David Merritt, Deci-hertz Interferometer Gravitational wave Observatory, Deformation (mechanics), Diaspora (novel), Distributed computing, Doppler effect, Dumbbell, Earth, ..., Earth's orbit, Effelsberg 100-m Radio Telescope, Einstein@Home, Electric charge, Electromagnetic radiation, Electromagnetic spectrum, Elementary particle, Energy, European Pulsar Timing Array, European Space Agency, Expansion of the universe, Fabry–Pérot interferometer, Felix Pirani, Fermi Gamma-ray Space Telescope, Fiasco (novel), First observation of gravitational waves, Force, Force carrier, Franklin Institute, Frequency, Fundamental interaction, Galactic Center, Galileo Galilei, Gamma ray, Gamma-ray burst, General relativity, GEO600, Gravitational constant, Gravitational energy, Gravitational field, Gravitational plane wave, Gravitational wave background, Gravitational-wave astronomy, Gravitational-wave observatory, Gravitoelectromagnetism, Graviton, Gravity, Green Bank Telescope, Greg Egan, GW170817, Hanford Site, Harry Collins, Hawking radiation, HE0450-2958, Henri Poincaré, Hermann Bondi, Hermann Weyl, Howard P. Robertson, Hubble Space Telescope, Hulse–Taylor binary, Hypercompact stellar system, Indian Initiative in Gravitational-wave Observations, Inflation (cosmology), Infrared, Interferometry, International Pulsar Timing Array, Istituto Nazionale di Fisica Nucleare, Jim Peebles, John Archibald Wheeler, Joseph Hooton Taylor Jr., Joseph Weber, Joule, Journal of Experimental and Theoretical Physics, KAGRA, Kamioka Observatory, Kilonova, Kinetic energy, Kip Thorne, Laser Interferometer Space Antenna, Leiden University, Leopold Infeld, Light, Light-year, LIGO, LIGO Scientific Collaboration, Linear polarization, Linearized gravity, List of gravitational wave observations, Living Reviews in Relativity, Livingston, Louisiana, Lovell Telescope, Magellanic Clouds, Marcia Bartusiak, Mass, Mass in special relativity, Massachusetts Institute of Technology, Michael Berry (physicist), Microwave, Milky Way, Millisecond, Millisecond pulsar, MiniGrail, Momentum, Monochrome, Mount Everest, Multipole expansion, Names of large numbers, Nançay radio telescope, NASA, Nathan Rosen, National Science Foundation, Nature (journal), Neutron star, Newton's law of universal gravitation, NGC 4993, Nobel Prize in Physics, North American Nanohertz Observatory for Gravitational Waves, Notices of the American Mathematical Society, Observational astronomy, Oliver Heaviside, Optical telescope, Orbit, Orbital decay, Orders of magnitude (length), Parkes Observatory, Parsec, Peres metric, Physical Review, Physics Today, Polarization (waves), Power (physics), Pp-wave spacetime, Princeton University Press, Problem book, Proportionality (mathematics), Proton, Prussian Academy of Sciences, Pulsar, Pulsar timing array, Pure tone, Quadrupole, Quadrupole formula, Quantum field theory, Quantum gravity, Quasar, R-process, Radiant energy, Radio telescope, Rainer Weiss, Recombination (cosmology), Resonance, Richard Feynman, Richard Garwin, Richland, Washington, Riemann curvature tensor, Russell Alan Hulse, RX J0806.3+1527, Science (TV network), Scientific American, Scientific modelling, SDSS J0927+2943, Seismology, SETI@home, Shot noise, Solar mass, Solar wind, Southern celestial hemisphere, Space Apprentice, Spacetime, Spectral density, Speed, Speed of gravity, Speed of light, Spin (physics), Spin-flip, Square degree, SQUID, Standard Model, Stanisław Lem, Stellar collision, Stephen Hawking, Sticky bead argument, Stress–energy tensor, Sun, Superconductivity, Supermassive black hole, Supernova, Symmetry, TAMA 300, The Astrophysical Journal, The New York Times, Tidal force, Transient astronomical event, Triangulation, Ultraviolet, University of Birmingham, University of North Carolina at Chapel Hill, Virgo interferometer, W. H. Freeman and Company, Watt, Wave, Wave propagation, Wavelength, Weber bar, Werner Israel, Westerbork Synthesis Radio Telescope, White dwarf, Work (physics), X-ray, 15 Eunomia. Expand index (200 more) »
Acoustics
Acoustics is the branch of physics that deals with the study of all mechanical waves in gases, liquids, and solids including topics such as vibration, sound, ultrasound and infrasound.
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Age of the universe
In physical cosmology, the age of the universe is the time elapsed since the Big Bang.
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AIP Conference Proceedings
AIP Conference Proceedings is a serial published by the American Institute of Physics since 1970.
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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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Alpha Centauri
Alpha Centauri (α Centauri, abbreviated Alf Cen or α Cen) is the star system closest to the Solar System, being from the Sun.
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American Mathematical Society
The American Mathematical Society (AMS) is an association of professional mathematicians dedicated to the interests of mathematical research and scholarship, and serves the national and international community through its publications, meetings, advocacy and other programs.
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Amplitude
The amplitude of a periodic variable is a measure of its change over a single period (such as time or spatial period).
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Angular momentum
In physics, angular momentum (rarely, moment of momentum or rotational momentum) is the rotational equivalent of linear momentum.
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Anti-gravity
Anti-gravity (also known as non-gravitational field) is an idea of creating a place or object that is free from the force of gravity.
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Arecibo Observatory
The Arecibo Observatory is a radio telescope in the municipality of Arecibo, Puerto Rico.
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Arkady and Boris Strugatsky
The brothers Arkady (Аркадий; 28 August 1925 – 12 October 1991) and Boris (Бори́с; 14 April 1933 – 19 November 2012) Strugatsky (Струга́цкий; alternate spellings: Strugatskiy, Strugatski, Strugatskii) were Soviet-Russian science fiction authors who collaborated through most of their careers.
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Arthur Eddington
Sir Arthur Stanley Eddington (28 December 1882 – 22 November 1944) was an English astronomer, physicist, and mathematician of the early 20th century who did his greatest work in astrophysics.
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Artificial gravity
Artificial gravity (sometimes referred to as pseudogravity) is the creation of an inertial force that mimics the effects of a gravitational force, usually by rotation.
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Astronomy
Astronomy (from ἀστρονομία) is a natural science that studies celestial objects and phenomena.
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Astrophysics
Astrophysics is the branch of astronomy that employs the principles of physics and chemistry "to ascertain the nature of the astronomical objects, rather than their positions or motions in space".
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Barry Barish
Barry Clark Barish (born January 27, 1936) is an American experimental physicist and Nobel Laureate.
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BBC News
BBC News is an operational business division of the British Broadcasting Corporation (BBC) responsible for the gathering and broadcasting of news and current affairs.
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BICEP and Keck Array
BICEP (Background Imaging of Cosmic Extragalactic Polarization) and the Keck Array are a series of cosmic microwave background (CMB) experiments.
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Big Bang
The Big Bang theory is the prevailing cosmological model for the universe from the earliest known periods through its subsequent large-scale evolution.
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Big Bang Observer
The Big Bang Observer (BBO) is a proposed successor to the Laser Interferometer Space Antenna (LISA) by the European Space Agency.
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Binary black hole
A binary black hole (BBH) is a system consisting of two black holes in close orbit around each other.
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Binary pulsar
A binary pulsar is a pulsar with a binary companion, often a white dwarf or neutron star.
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Binary star
A binary star is a star system consisting of two stars orbiting around their common barycenter.
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Birkhoff's theorem (relativity)
In general relativity, Birkhoff's theorem states that any spherically symmetric solution of the vacuum field equations must be static and asymptotically flat.
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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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Boson
In quantum mechanics, a boson is a particle that follows Bose–Einstein statistics.
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Brownian motion
Brownian motion or pedesis (from πήδησις "leaping") is the random motion of particles suspended in a fluid (a liquid or a gas) resulting from their collision with the fast-moving molecules in the fluid.
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California Institute of Technology
The California Institute of Technology (abbreviated Caltech)The university itself only spells its short form as "Caltech"; other spellings such as.
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Chongqing University
Chongqing University (also abbreviated as CQU) is a key national university located in Chongqing, China, and a member of the "Excellence League".
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Chronology of the universe
The chronology of the universe describes the history and future of the universe according to Big Bang cosmology.
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Circular orbit
A circular orbit is the orbit with a fixed distance around the barycenter, that is, in the shape of a circle.
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Circular polarization
In electrodynamics, circular polarization of an electromagnetic wave is a polarization state in which, at each point, the electric field of the wave has a constant magnitude but its direction rotates with time at a steady rate in a plane perpendicular to the direction of the wave.
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Classical and Quantum Gravity
Classical and Quantum Gravity is a peer-reviewed journal that covers all aspects of gravitational physics and the theory of spacetime.
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Classical mechanics
Classical mechanics describes the motion of macroscopic objects, from projectiles to parts of machinery, and astronomical objects, such as spacecraft, planets, stars and galaxies.
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Compact star
In astronomy, the term "compact star" (or "compact object") refers collectively to white dwarfs, neutron stars, and black holes.
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Cosmic dust
Cosmic dust, also called extraterrestrial dust or space dust, is dust which exists in outer space, as well as all over planet Earth.
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Cosmic microwave background
The cosmic microwave background (CMB, CMBR) is electromagnetic radiation as a remnant from an early stage of the universe in Big Bang cosmology.
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Cosmic ray
Cosmic rays are high-energy radiation, mainly originating outside the Solar System and even from distant galaxies.
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Cosmic string
Cosmic strings are hypothetical 1-dimensional topological defects which may have formed during a symmetry breaking phase transition in the early universe when the topology of the vacuum manifold associated to this symmetry breaking was not simply connected.
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Cruciform
Cruciform means having the shape of a cross or Christian cross.
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Cryogenics
In physics, cryogenics is the production and behaviour of materials at very low temperatures.
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David Douglass (physicist)
David H. Douglass (born 1932) is an American physicist at the University of Rochester.
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David Merritt
David Merritt is an American astrophysicist and professor at the Rochester Institute of Technology in Rochester, New York.
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Deci-hertz Interferometer Gravitational wave Observatory
The Deci-Hertz Interferometer Gravitational wave Observatory (or DECIGO) is a proposed Japanese, space-based, gravitational wave observatory.
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Deformation (mechanics)
Deformation in continuum mechanics is the transformation of a body from a reference configuration to a current configuration.
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Diaspora (novel)
Diaspora is a hard science fiction novel by the Australian writer Greg Egan which first appeared in print in 1997.
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Distributed computing
Distributed computing is a field of computer science that studies distributed systems.
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Doppler effect
The Doppler effect (or the Doppler shift) is the change in frequency or wavelength of a wave in relation to observer who is moving relative to the wave source.
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Dumbbell
The dumbbell, a type of free weight, is a piece of equipment used in weight training.
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Earth
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
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Earth's orbit
Earth's orbit is the trajectory along which Earth travels around the Sun.
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Effelsberg 100-m Radio Telescope
The Effelsberg 100-m Radio Telescope is a radio telescope in the Ahr Hills (part of the Eifel) in Bad Münstereifel, Germany.
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Einstein@Home
Einstein@Home is a volunteer distributed computing project that searches for signals from rotating neutron stars in data from the LIGO gravitational-wave detectors, from large radio telescopes, and from the Fermi Gamma-ray Space Telescope.
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Electric charge
Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field.
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Electromagnetic radiation
In physics, electromagnetic radiation (EM radiation or EMR) refers to the waves (or their quanta, photons) of the electromagnetic field, propagating (radiating) through space-time, carrying electromagnetic radiant energy.
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Electromagnetic spectrum
The electromagnetic spectrum is the range of frequencies (the spectrum) of electromagnetic radiation and their respective wavelengths and photon energies.
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Elementary particle
In particle physics, an elementary particle or fundamental particle is a particle with no substructure, thus not composed of other 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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European Pulsar Timing Array
The European Pulsar Timing Array (EPTA) is a European collaboration to combine five 100-m class radio-telescopes to observe an array of pulsars with the specific goal of detecting gravitational waves.
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European Space Agency
The European Space Agency (ESA; Agence spatiale européenne, ASE; Europäische Weltraumorganisation) is an intergovernmental organisation of 22 member states dedicated to the exploration of space.
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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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Fabry–Pérot interferometer
In optics, a Fabry–Pérot interferometer (FPI) or etalon is typically made of a transparent plate with two reflecting surfaces, or two parallel highly reflecting mirrors.
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Felix Pirani
Felix Arnold Edward Pirani (2 February 1928 – 31 December 2015) was a British theoretical physicist specialising in gravitational physics and general relativity.
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Fermi Gamma-ray Space Telescope
The Fermi Gamma-ray Space Telescope (FGST), formerly called the Gamma-ray Large Area Space Telescope (GLAST), is a space observatory being used to perform gamma-ray astronomy observations from low Earth orbit.
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Fiasco (novel)
Fiasco (Fiasko) is a science fiction novel by Polish author Stanisław Lem, first published in a German translation in 1986.
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First observation of gravitational waves
The first observation of gravitational waves was made on 14 September 2015 and was announced by the LIGO and Virgo collaborations on 11 February 2016.
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Force
In physics, a force is any interaction that, when unopposed, will change the motion of an object.
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Force carrier
In particle physics, force carriers or messenger particles or intermediate particles are particles that give rise to forces between other particles.
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Franklin Institute
The Franklin Institute is a science museum and the center of science education and research in Philadelphia, Pennsylvania.
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Frequency
Frequency is the number of occurrences of a repeating event per unit of 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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Galactic Center
The Galactic Center is the rotational center of the Milky Way.
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Galileo Galilei
Galileo Galilei (15 February 1564Drake (1978, p. 1). The date of Galileo's birth is given according to the Julian calendar, which was then in force throughout Christendom. In 1582 it was replaced in Italy and several other Catholic countries with the Gregorian calendar. Unless otherwise indicated, dates in this article are given according to the Gregorian calendar. – 8 January 1642) was an Italian polymath.
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Gamma ray
A gamma ray or gamma radiation (symbol γ or \gamma), is penetrating electromagnetic radiation arising from the radioactive decay of atomic nuclei.
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Gamma-ray burst
In gamma-ray astronomy, gamma-ray bursts (GRBs) are extremely energetic explosions that have been observed in distant galaxies.
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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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GEO600
GEO600 is a gravitational wave detector located near Sarstedt in the South of Hanover, Germany.
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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 energy
Gravitational energy is the potential energy a body with mass has in relation to another massive object due to gravity.
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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 plane wave
In general relativity, a gravitational plane wave is a special class of a vacuum pp-wave spacetime, and may be defined in terms of Brinkmann coordinates by ds^2.
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Gravitational wave background
The gravitational wave background (also GWB and stochastic background) is a random gravitational wave signal produced by a large number of weak, independent, and unresolved sources.
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Gravitational-wave astronomy
Gravitational-wave astronomy is an emerging branch of observational astronomy which aims to use gravitational waves (minute distortions of spacetime predicted by Einstein's theory of general relativity) to collect observational data about objects such as neutron stars and black holes, events such as supernovae, and processes including those of the early universe shortly after the Big Bang.
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Gravitational-wave observatory
A gravitational-wave observatory (or gravitational-wave detector) is any device designed to measure gravitational waves, tiny distortions of spacetime that were first predicted by Einstein in 1916.
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Gravitoelectromagnetism
Gravitoelectromagnetism, abbreviated GEM, refers to a set of formal analogies between the equations for electromagnetism and relativistic gravitation; specifically: between Maxwell's field equations and an approximation, valid under certain conditions, to the Einstein field equations for general relativity.
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Graviton
In theories of quantum gravity, the graviton is the hypothetical elementary particle that mediates the force of gravity.
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Gravity
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.
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Green Bank Telescope
The Robert C. Byrd Green Bank Telescope (GBT) in Green Bank, West Virginia, US is the world's largest fully steerable radio telescope.
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Greg Egan
Greg Egan (born 20 August 1961) is an Australian science fiction writer.
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GW170817
GW170817 was a gravitational wave (GW) signal observed by the LIGO and Virgo detectors on 17 August 2017.
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Hanford Site
The Hanford Site is a decommissioned nuclear production complex operated by the United States federal government on the Columbia River in the U.S. state of Washington.
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Harry Collins
Harry Collins, FBA (born 13 June 1943), is a British sociologist of science at the School of Social Sciences, Cardiff University, Wales.
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Hawking radiation
Hawking radiation is blackbody radiation that is predicted to be released by black holes, due to quantum effects near the event horizon.
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HE0450-2958
HE0450-2958 is an unusual quasar.
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Henri Poincaré
Jules Henri Poincaré (29 April 1854 – 17 July 1912) was a French mathematician, theoretical physicist, engineer, and philosopher of science.
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Hermann Bondi
Sir Hermann Bondi (1 November 1919 – 10 September 2005) was an Anglo-Austrian mathematician and cosmologist.
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Hermann Weyl
Hermann Klaus Hugo Weyl, (9 November 1885 – 8 December 1955) was a German mathematician, theoretical physicist and philosopher.
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Howard P. Robertson
Howard Percy "Bob" Robertson (January 27, 1903 – August 26, 1961) was an American mathematician and physicist known for contributions related to physical cosmology and the uncertainty principle.
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Hubble Space Telescope
The Hubble Space Telescope (HST) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation.
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Hulse–Taylor binary
PSR B1913+16 (also known as PSR J1915+1606, PSR 1913+16, and the Hulse–Taylor binary after its discoverers) is a pulsar (a radiating neutron star) which together with another neutron star is in orbit around a common center of mass, thus forming a binary star system.
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Hypercompact stellar system
A hypercompact stellar system (HCSS) is a dense cluster of stars around a supermassive black hole that has been ejected from the center of its host galaxy.
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Indian Initiative in Gravitational-wave Observations
INDIGO, or IndIGO (Indian Initiative in Gravitational-wave Observations) is a consortium of Indian gravitational-wave physicists.
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Inflation (cosmology)
In physical cosmology, cosmic inflation, cosmological inflation, or just inflation, is a theory of exponential expansion of space in the early universe.
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Infrared
Infrared radiation (IR) is electromagnetic radiation (EMR) with longer wavelengths than those of visible light, and is therefore generally invisible to the human eye (although IR at wavelengths up to 1050 nm from specially pulsed lasers can be seen by humans under certain conditions). It is sometimes called infrared light.
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Interferometry
Interferometry is a family of techniques in which waves, usually electromagnetic waves, are superimposed causing the phenomenon of interference in order to extract information.
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International Pulsar Timing Array
The International Pulsar Timing Array (IPTA) is a multi-institutional, multi-telescope collaboration, comprising the European Pulsar Timing Array (EPTA), the North American Nanohertz Observatory for Gravitational Waves (NANOGrav), and the Parkes Pulsar Timing Array (PPTA).
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Istituto Nazionale di Fisica Nucleare
The Istituto Nazionale di Fisica Nucleare (INFN; "National Institute for Nuclear Physics") is the coordinating institution for nuclear, particle and astroparticle physics in Italy.
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Jim Peebles
Phillip James Edwin Peebles (born 1935) is a Canadian-American physicist and theoretical cosmologist who is currently the Albert Einstein Professor Emeritus of Science at Princeton University.
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John Archibald Wheeler
John Archibald Wheeler (July 9, 1911 – April 13, 2008) was an American theoretical physicist.
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Joseph Hooton Taylor Jr.
Joseph Hooton Taylor Jr. (born March 29, 1941) is an American astrophysicist and Nobel Prize in Physics laureate for his discovery with Russell Alan Hulse of a "new type of pulsar, a discovery that has opened up new possibilities for the study of gravitation.".
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Joseph Weber
Joseph Weber (May 17, 1919 – September 30, 2000) was an American physicist.
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Joule
The joule (symbol: J) is a derived unit of energy in the International System of Units.
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Journal of Experimental and Theoretical Physics
The Journal of Experimental and Theoretical Physics (JETP) [italic (ЖЭТФ), or Zhurnal Éksperimental’noĭ i Teoreticheskoĭ Fiziki (ZhÉTF) is a peer-reviewed Russian scientific journal covering all areas of experimental and theoretical physics.
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KAGRA
The Kamioka Gravitational Wave Detector (KAGRA), formerly the Large Scale Cryogenic Gravitational Wave Telescope (LCGT), is a project of the gravitational wave studies group at the Institute for Cosmic Ray Research (ICRR) of the University of Tokyo.
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Kamioka Observatory
The is a neutrino and gravitational waves laboratory located underground in the Mozumi Mine of the Kamioka Mining and Smelting Co. near the Kamioka section of the city of Hida in Gifu Prefecture, Japan.
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Kilonova
A kilonova (macronova or r-process supernova) is a transient astronomical event that occurs in a compact binary system when two neutron stars or a neutron star and a black hole merge into each other.
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Kinetic energy
In physics, the kinetic energy of an object is the energy that it possesses due to its motion.
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Kip Thorne
Kip Stephen Thorne (born June 1, 1940) is an American theoretical physicist and Nobel laureate, known for his contributions in gravitational physics and astrophysics.
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Laser Interferometer Space Antenna
The Laser Interferometer Space Antenna (LISA) is a European Space Agency mission designed to detect and accurately measure gravitational waves—tiny ripples in the fabric of space-time—from astronomical sources.
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Leiden University
Leiden University (abbreviated as LEI; Universiteit Leiden), founded in the city of Leiden, is the oldest university in the Netherlands.
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Leopold Infeld
Leopold Infeld (20 August 1898 – 15 January 1968) was a Polish physicist who worked mainly in Poland and Canada (1938–1950).
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Light
Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum.
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Light-year
The light-year is a unit of length used to express astronomical distances and measures about 9.5 trillion kilometres or 5.9 trillion miles.
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LIGO
The Laser Interferometer Gravitational-Wave Observatory (LIGO) is a large-scale physics experiment and observatory to detect cosmic gravitational waves and to develop gravitational-wave observations as an astronomical tool.
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LIGO Scientific Collaboration
The LIGO Scientific Collaboration (LSC) is a scientific collaboration of international physics institutes and research groups dedicated to the search for gravitational waves.
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Linear polarization
In electrodynamics, linear polarization or plane polarization of electromagnetic radiation is a confinement of the electric field vector or magnetic field vector to a given plane along the direction of propagation.
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Linearized gravity
Linearized gravity is an approximation scheme in general relativity in which the nonlinear contributions from the spacetime metric are ignored, simplifying the study of many problems while still producing useful approximate results.
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List of gravitational wave observations
This is a list of observed gravitational wave events.
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Living Reviews in Relativity
Living Reviews in Relativity is a peer-reviewed open-access scientific journal publishing reviews on relativity in the areas of physics and astrophysics.
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Livingston, Louisiana
Livingston is the parish seat of Livingston Parish, Louisiana, United States.
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Lovell Telescope
The Lovell Telescope is a radio telescope at Jodrell Bank Observatory, near Goostrey, Cheshire in the north-west of England.
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Magellanic Clouds
The Magellanic Clouds (or Nubeculae Magellani) are two irregular dwarf galaxies visible in the Southern Celestial Hemisphere; they are members of the Local Group and are orbiting the Milky Way galaxy.
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Marcia Bartusiak
Marcia F. Bartusiak is an author, journalist, and Professor of the Practice of the Graduate Program in Science Writing at Massachusetts Institute of Technology.
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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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Mass in special relativity
Mass in special relativity incorporates the general understandings from the laws of motion of special relativity along with its concept of mass–energy equivalence.
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Massachusetts Institute of Technology
The Massachusetts Institute of Technology (MIT) is a private research university located in Cambridge, Massachusetts, United States.
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Michael Berry (physicist)
Sir Michael Victor Berry, (born 14 March 1941), is a mathematical physicist at the University of Bristol, England.
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Microwave
Microwaves are a form of electromagnetic radiation with wavelengths ranging from one meter to one millimeter; with frequencies between and.
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Milky Way
The Milky Way is the galaxy that contains our Solar System.
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Millisecond
A millisecond (from milli- and second; symbol: ms) is a thousandth (0.001 or 10−3 or 1/1000) of a second.
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Millisecond pulsar
A millisecond pulsar (MSP) is a pulsar with a rotational period in the range of about 1–10 milliseconds.
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MiniGrail
MiniGRAIL is a type of Resonant Mass Antenna, which is a massive sphere that used to detect gravitational waves.
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Momentum
In Newtonian mechanics, linear momentum, translational momentum, or simply momentum (pl. momenta) is the product of the mass and velocity of an object.
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Monochrome
Monochrome describes paintings, drawings, design, or photographs in one color or values of one color.
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Mount Everest
Mount Everest, known in Nepali as Sagarmāthā and in Tibetan as Chomolungma, is Earth's highest mountain above sea level, located in the Mahalangur Himal sub-range of the Himalayas.
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Multipole expansion
A multipole expansion is a mathematical series representing a function that depends on angles—usually the two angles on a sphere.
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Names of large numbers
This article lists and discusses the usage and derivation of names of large numbers, together with their possible extensions.
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Nançay radio telescope
The Nançay decimetric radio telescope (Le radiotélescope décimétrique de Nançay (NRT)) is located in the small commune of Nançay, two hours' drive south of Paris, France.
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NASA
The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.
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Nathan Rosen
Nathan Rosen (Hebrew: נתן רוזן; March 22, 1909 – December 18, 1995) was an American-Israeli physicist noted for his study on the structure of the hydrogen atom and his work with Albert Einstein and Boris Podolsky on entangled wave functions and the EPR paradox.
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National Science Foundation
The National Science Foundation (NSF) is a United States government agency that supports fundamental research and education in all the non-medical fields of science and engineering.
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Nature (journal)
Nature is a British multidisciplinary scientific journal, first published on 4 November 1869.
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Neutron star
A neutron star is the collapsed core of a large star which before collapse had a total of between 10 and 29 solar masses.
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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.
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NGC 4993
NGC 4993 (also catalogued as NGC 4994) is an elliptical galaxy or lenticular galaxy located about 140 million light-years away in the constellation Hydra.
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Nobel Prize in Physics
The Nobel Prize in Physics (Nobelpriset i fysik) is a yearly award given by the Royal Swedish Academy of Sciences for those who conferred the most outstanding contributions for mankind in the field of physics.
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North American Nanohertz Observatory for Gravitational Waves
The North American Nanohertz Observatory for Gravitational Waves (NANOGrav) is a consortium of astronomers who share a common goal of detecting gravitational waves via regular observations of an ensemble of millisecond pulsars using the Green Bank and Arecibo radio telescopes.
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Notices of the American Mathematical Society
Notices of the American Mathematical Society is the membership journal of the American Mathematical Society (AMS), published monthly except for the combined June/July issue.
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Observational astronomy
Observational astronomy is a division of astronomy that is concerned with recording data about the observable universe, in contrast with theoretical astronomy, which is mainly concerned with calculating the measurable implications of physical models.
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Oliver Heaviside
Oliver Heaviside FRS (18 May 1850 – 3 February 1925) was an English self-taught electrical engineer, mathematician, and physicist who adapted complex numbers to the study of electrical circuits, invented mathematical techniques for the solution of differential equations (equivalent to Laplace transforms), reformulated Maxwell's field equations in terms of electric and magnetic forces and energy flux, and independently co-formulated vector analysis.
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Optical telescope
An optical telescope is a telescope that gathers and focuses light, mainly from the visible part of the electromagnetic spectrum, to create a magnified image for direct view, or to make a photograph, or to collect data through electronic image sensors.
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Orbit
In physics, an orbit is the gravitationally curved trajectory of an object, such as the trajectory of a planet around a star or a natural satellite around a planet.
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Orbital decay
In orbital mechanics, decay is a process that leads to gradual decrease of the distance between two orbiting bodies at their closest approach (the periapsis) over many orbital periods.
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Orders of magnitude (length)
The following are examples of orders of magnitude for different lengths.
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Parkes Observatory
The Parkes Observatory (also known informally as "The Dish") is a radio telescope observatory, located 20 kilometres north of the town of Parkes, New South Wales, Australia.
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Parsec
The parsec (symbol: pc) is a unit of length used to measure large distances to astronomical objects outside the Solar System.
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Peres metric
In mathematical physics, the Peres metric is defined by the proper time ^.
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Physical Review
Physical Review is an American peer-reviewed scientific journal established in 1893 by Edward Nichols.
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Physics Today
Physics Today is the membership magazine of the American Institute of Physics that was established in 1948.
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Polarization (waves)
Polarization (also polarisation) is a property applying to transverse waves that specifies the geometrical orientation of the oscillations.
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Power (physics)
In physics, power is the rate of doing work, the amount of energy transferred per unit time.
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Pp-wave spacetime
In general relativity, the pp-wave spacetimes, or pp-waves for short, are an important family of exact solutions of Einstein's field equation.
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Princeton University Press
Princeton University Press is an independent publisher with close connections to Princeton University.
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Problem book
Problem books are textbooks, usually at advanced undergraduate or post-graduate level, in which the material is organized as a series of problems, each with a complete solution given.
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Proportionality (mathematics)
In mathematics, two variables are proportional if there is always a constant ratio between them.
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Proton
| magnetic_moment.
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Prussian Academy of Sciences
The Royal Prussian Academy of Sciences (Königlich-Preußische Akademie der Wissenschaften) was an academy established in Berlin, Germany on 11 July 1700, four years after the Akademie der Künste, or "Arts Academy," to which "Berlin Academy" may also refer.
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Pulsar
A pulsar (from pulse and -ar as in quasar) is a highly magnetized rotating neutron star or white dwarf that emits a beam of electromagnetic radiation.
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Pulsar timing array
A pulsar timing array (PTA) is a set of pulsars which is analyzed to search for correlated signatures in the pulse arrival times.
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Pure tone
A pure tone is a tone with a sinusoidal waveform; this is, a sine wave of any frequency, phase, and amplitude.
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Quadrupole
A quadrupole or quadrapole is one of a sequence of configurations of things like electric charge or current, or gravitational mass that can exist in ideal form, but it is usually just part of a multipole expansion of a more complex structure reflecting various orders of complexity.
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Quadrupole formula
In general relativity, the quadrupole formula describes the rate at which gravitational waves are emitted from a system of masses based on the change of the (mass) quadrupole moment.
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Quantum field theory
In theoretical physics, quantum field theory (QFT) is the theoretical framework for constructing quantum mechanical models of subatomic particles in particle physics and quasiparticles in condensed matter physics.
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Quantum gravity
Quantum gravity (QG) is a field of theoretical physics that seeks to describe gravity according to the principles of quantum mechanics, and where quantum effects cannot be ignored, such as near compact astrophysical objects where the effects of gravity are strong.
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Quasar
A quasar (also known as a QSO or quasi-stellar object) is an extremely luminous active galactic nucleus (AGN).
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R-process
The rapid neutron-capture process, or so-called r-process, is a set of nuclear reactions that in nuclear astrophysics is responsible for the creation (nucleosynthesis) of approximately half the abundances of the atomic nuclei heavier than iron, usually synthesizing the entire abundance of the two most neutron-rich stable isotopes of each heavy element.
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Radiant energy
In physics, and in particular as measured by radiometry, radiant energy is the energy of electromagnetic and gravitational radiation.
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Radio telescope
A radio telescope is a specialized antenna and radio receiver used to receive radio waves from astronomical radio sources in the sky in radio astronomy.
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Rainer Weiss
Rainer "Rai" Weiss (born September 29, 1932) is an American physicist, known for his contributions in gravitational physics and astrophysics.
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Recombination (cosmology)
In cosmology, recombination refers to the epoch at which charged electrons and protons first became bound to form electrically neutral hydrogen atoms.
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Resonance
In physics, resonance is a phenomenon in which a vibrating system or external force drives another system to oscillate with greater amplitude at specific frequencies.
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Richard Feynman
Richard Phillips Feynman (May 11, 1918 – February 15, 1988) was an American theoretical physicist, known for his work in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, and the physics of the superfluidity of supercooled liquid helium, as well as in particle physics for which he proposed the parton model.
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Richard Garwin
Richard Lawrence Garwin (born April 19, 1928) is an American physicist, widely known to be the author of the first hydrogen bomb design.
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Richland, Washington
Richland is a city in Benton County in the southeastern part of the State of Washington, at the confluence of the Yakima and the Columbia Rivers.
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Riemann curvature tensor
In the mathematical field of differential geometry, the Riemann curvature tensor or Riemann–Christoffel tensor (after Bernhard Riemann and Elwin Bruno Christoffel) is the most common method used to express the curvature of Riemannian manifolds.
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Russell Alan Hulse
Russell Alan Hulse (born November 28, 1950) is an American physicist and winner of the Nobel Prize in Physics, shared with his thesis advisor Joseph Hooton Taylor Jr., "for the discovery of a new type of pulsar, a discovery that has opened up new possibilities for the study of gravitation".
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RX J0806.3+1527
|- style.
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Science (TV network)
Science Channel (often referred to as simply Science) is an American digital cable and satellite television network that is owned by Discovery Inc. The channel features programming focusing on the fields of wilderness survival, ufology, manufacturing, construction, technology, space, prehistory and animal science.
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Scientific American
Scientific American (informally abbreviated SciAm) is an American popular science magazine.
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Scientific modelling
Scientific modelling is a scientific activity, the aim of which is to make a particular part or feature of the world easier to understand, define, quantify, visualize, or simulate by referencing it to existing and usually commonly accepted knowledge.
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SDSS J0927+2943
SDSS J0927+2943 (SDSS J092712.65+294344.0) is an unusual quasar.
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Seismology
Seismology (from Ancient Greek σεισμός (seismós) meaning "earthquake" and -λογία (-logía) meaning "study of") is the scientific study of earthquakes and the propagation of elastic waves through the Earth or through other planet-like bodies.
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SETI@home
SETI@home ("SETI at home") is an Internet-based public volunteer computing project employing the BOINC software platform created by the Berkeley SETI Research Center and is hosted by the Space Sciences Laboratory, at the University of California, Berkeley.
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Shot noise
Shot noise or Poisson noise is a type of electronic noise which can be modeled by a Poisson process.
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Solar mass
The solar mass is a standard unit of mass in astronomy, equal to approximately.
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Solar wind
The solar wind is a stream of charged particles released from the upper atmosphere of the Sun, called the corona.
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Southern celestial hemisphere
The Southern Celestial Hemisphere, or the Southern Sky, is the southern half of the celestial sphere, which appears to rotate around a polar axis due to Earth's rotation.
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Space Apprentice
Space Apprentice, also known as Probationers (Russian title: Стажёры, Stazhory), is one of the early novels of Russian science fiction writers Arkady and Boris Strugatsky.
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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.
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Spectral density
The power spectrum S_(f) of a time series x(t) describes the distribution of power into frequency components composing that signal.
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Speed
In everyday use and in kinematics, the speed of an object is the magnitude of its velocity (the rate of change of its position); it is thus a scalar quantity.
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Speed of gravity
In classical theories of gravitation, the changes in a gravitational field propagate.
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Speed of light
The speed of light in vacuum, commonly denoted, is a universal physical constant important in many areas of physics.
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Spin (physics)
In quantum mechanics and particle physics, spin is an intrinsic form of angular momentum carried by elementary particles, composite particles (hadrons), and atomic nuclei.
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Spin-flip
A black hole spin-flip occurs when the spin axis of a rotating black hole undergoes a sudden change in orientation due to absorption of a second (smaller) black hole.
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Square degree
A square degree (deg2) is a non-SI-compliant unit measure of solid angle.
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SQUID
A SQUID (for superconducting quantum interference device) is a very sensitive magnetometer used to measure extremely subtle magnetic fields, based on superconducting loops containing Josephson junctions.
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Standard Model
The Standard Model of particle physics is the theory describing three of the four known fundamental forces (the electromagnetic, weak, and strong interactions, and not including the gravitational force) in the universe, as well as classifying all known elementary particles.
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Stanisław Lem
Stanisław Herman Lem (12 or 13 September 1921 – 27 March 2006) was a Polish writer of science fiction, philosophy, and satire, and a trained physician.
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Stellar collision
A stellar collision is the coming together of two stars caused by gravity, gravitational radiation, or other mechanisms not well understood.
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Stephen Hawking
Stephen William Hawking (8 January 1942 – 14 March 2018) was an English theoretical physicist, cosmologist, and author, who was director of research at the Centre for Theoretical Cosmology at the University of Cambridge at the time of his death.
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Sticky bead argument
In general relativity, the sticky bead argument is a simple thought experiment designed to show that gravitational radiation is indeed predicted by general relativity, and can have physical effects.
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Stress–energy tensor
The stress–energy tensor (sometimes stress–energy–momentum tensor or energy–momentum tensor) is a tensor quantity in physics that describes the density and flux of energy and momentum in spacetime, generalizing the stress tensor of Newtonian physics.
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Sun
The Sun is the star at the center of the Solar System.
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Superconductivity
Superconductivity is a phenomenon of exactly zero electrical resistance and expulsion of magnetic flux fields occurring in certain materials, called superconductors, when cooled below a characteristic critical temperature.
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Supermassive black hole
A supermassive black hole (SMBH or SBH) is the largest type of black hole, on the order of hundreds of thousands to billions of solar masses, and is found in the centre of almost all currently known massive galaxies.
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Supernova
A supernova (plural: supernovae or supernovas, abbreviations: SN and SNe) is a transient astronomical event that occurs during the last stellar evolutionary stages of a star's life, either a massive star or a white dwarf, whose destruction is marked by one final, titanic explosion.
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Symmetry
Symmetry (from Greek συμμετρία symmetria "agreement in dimensions, due proportion, arrangement") in everyday language refers to a sense of harmonious and beautiful proportion and balance.
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TAMA 300
TAMA 300 was a gravitational wave detector located at the Mitaka campus of the National Astronomical Observatory of Japan.
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The Astrophysical Journal
The Astrophysical Journal, often abbreviated ApJ (pronounced "ap jay") in references and speech, is a peer-reviewed scientific journal of astrophysics and astronomy, established in 1895 by American astronomers George Ellery Hale and James Edward Keeler.
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The New York Times
The New York Times (sometimes abbreviated as The NYT or The Times) is an American newspaper based in New York City with worldwide influence and readership.
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Tidal force
The tidal force is an apparent force that stretches a body towards the center of mass of another body due to a gradient (difference in strength) in gravitational field from the other body; it is responsible for the diverse phenomena, including tides, tidal locking, breaking apart of celestial bodies and formation of ring systems within Roche limit, and in extreme cases, spaghettification of objects.
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Transient astronomical event
A transient astronomical event, often shortened by astronomers to a transient, is an astronomical object or phenomenon whose duration may be from seconds to days, weeks, or even several years.
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Triangulation
In trigonometry and geometry, triangulation is the process of determining the location of a point by forming triangles to it from known points.
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Ultraviolet
Ultraviolet (UV) is electromagnetic radiation with a wavelength from 10 nm to 400 nm, shorter than that of visible light but longer than X-rays.
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University of Birmingham
The University of Birmingham (informally Birmingham University) is a public research university located in Edgbaston, Birmingham, United Kingdom.
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University of North Carolina at Chapel Hill
The University of North Carolina at Chapel Hill, also known as UNC, UNC Chapel Hill, the University of North Carolina, or simply Carolina, is a public research university located in Chapel Hill, North Carolina, United States.
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Virgo interferometer
The Virgo interferometer is a large interferometer designed to detect gravitational waves predicted by the general theory of relativity.
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W. H. Freeman and Company
W.
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Watt
The watt (symbol: W) is a unit of power.
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Wave
In physics, a wave is a disturbance that transfers energy through matter or space, with little or no associated mass transport.
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Wave propagation
Wave propagation is any of the ways in which waves travel.
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Wavelength
In physics, the wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats.
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Weber bar
A Weber bar is a device used in the detection of gravitational waves first devised and constructed by physicist Joseph Weber at the University of Maryland.
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Werner Israel
Werner Israel, (born October 4, 1931) is a physicist, author, researcher, and professor at the University of Victoria.
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Westerbork Synthesis Radio Telescope
The Westerbork Synthesis Radio Telescope (WSRT) is an aperture synthesis interferometer near World War II Nazi detention and transit camp Westerbork, north of the village of Westerbork, Midden-Drenthe, in the northeastern Netherlands.
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White dwarf
A white dwarf, also called a degenerate dwarf, is a stellar core remnant composed mostly of electron-degenerate matter.
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Work (physics)
In physics, a force is said to do work if, when acting, there is a displacement of the point of application in the direction of the force.
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X-ray
X-rays make up X-radiation, a form of electromagnetic radiation.
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15 Eunomia
15 Eunomia is a very large asteroid in the inner asteroid belt.
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Redirects here:
Existence of gravitational waves, Gravitation wave, Gravitation waves, Gravitational Radiation, Gravitational Wave, Gravitational Waves, Gravitational damping, Gravitational of waves, Gravitational radiation, Gravitational wave radiation, Gravitational waves, Gravitationl waves, Gravity of waves, Gravity wave detector, High Frequency Gravitational Waves, High-Frequency Gravitational Waves.
References
[1] https://en.wikipedia.org/wiki/Gravitational_wave
