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241 relations: Abell 1689, Abundance of the chemical elements, Ad hoc hypothesis, Alpha Magnetic Spectrometer, Alternatives to general relativity, American Physical Society, Andromeda Galaxy, Annihilation, Annual Review of Astronomy and Astrophysics, Antarctic Muon And Neutrino Detector Array, ANTARES (telescope), Antimatter, Antiproton, ArDM, Argon, Ars Technica, Astronomical spectroscopy, Astronomy & Astrophysics, Astrophysics, Atom, Axion, Axion Dark Matter Experiment, Baryon, Baryonic dark matter, BBC, Big Bang nucleosynthesis, Black hole, BOOMERanG experiment, Boulby Mine, Brady Haran, Brown dwarf, California Institute of Technology, Canfranc Underground Laboratory, Chameleon particle, Chemical element, China Jinping Underground Laboratory, Cold dark matter, Coma Cluster, Conformal gravity, Cosmic Background Explorer, Cosmic distance ladder, Cosmic microwave background, Cosmic ray, Cowan–Reines neutrino experiment, Cryogenic Dark Matter Search, Cryogenic Rare Event Search with Superconducting Thermometers, Cygnus (constellation), DAMA/LIBRA, DAMA/NaI, Dark energy, ..., Dark flow, Dark fluid, Dark galaxy, Dark Matter (disambiguation), Dark matter halo, Dark matter in fiction, Dark Matter Particle Explorer, Dark Matter Time Projection Chamber, Dark radiation, DarkSide, David Merritt, DEAP, Directional Recoil Identification from Tracks, EDELWEISS, Electromagnetic radiation, Electromagnetic spectrum, Electromagnetism, Electron, Electronvolt, Elementary particle, Energetic Gamma Ray Experiment Telescope, Energy, Entropic gravity, Ethan Siegel, European Underground Rare Event Calorimeter Array, Exotic matter, F(R) gravity, Falsifiability, Fermi Gamma-ray Space Telescope, First observation of gravitational waves, Flavour (particle physics), Fluctuation spectrum, Free streaming, Friedmann–Lemaître–Robertson–Walker metric, Fritz Zwicky, Future Circular Collider, Galactic Center, Galaxy, Galaxy cluster, Galaxy formation and evolution, Galaxy rotation curve, Gamma ray, General antiparticle spectrometer, General relativity, Germanium, Goddard Space Flight Center, Gravitational lens, Gravitational microlensing, Gravitational wave, Gravitationally-interacting massive particles, Gravitino, Gravity, Greater Sudbury, H I region, Henri Poincaré, Hidden sector, Horace W. Babcock, Hot dark matter, Hubble's law, Hydrogen line, IACT, IceCube Neutrino Observatory, Illustris project, Interacting galaxy, International Space Station, IOP Publishing, Jacobus Kapteyn, Jan Oort, Karl Popper, Kavli Foundation (United States), Kent Ford (astronomer), Kepler's laws of planetary motion, Laboratori Nazionali del Gran Sasso, Lambda-CDM model, Large Electron–Positron Collider, Large Hadron Collider, Large Underground Xenon experiment, Lepton, Light, Light dark matter, Lightest Supersymmetric Particle, LIGO, List of Deep Fields, Local Group, Lyman series, MACS J0416.1-2403, Mass, Mass-to-light ratio, Mass–energy equivalence, Massive compact halo object, Massive gravity, Matter, Milky Way, Mirror matter, Mixed dark matter, Modern Physics Letters A, Modified Newtonian dynamics, Momentum, Monthly Notices of the Royal Astronomical Society, MultiDark, NASA, Neutrino, Neutron, Neutron star, New Scientist, Noble gas, Nuclear fusion, Observable universe, PAMELA detector, PandaX, Particle horizon, Particle physics, Philosophy of science, Phonon, Photino, Photon, Physical Review Letters, Physics beyond the Standard Model, Physics Reports, PICO, Planck (spacecraft), Planet, Positron, Potential well, Primordial black hole, Protogalaxy, Proton, Pulsar, Quasar, Redshift, Redshift survey, Reports on Progress in Physics, Robust associations of massive baryonic objects, Sanford Underground Research Facility, Scalar field dark matter, Scalar–tensor–vector gravity, Scale factor (cosmology), Science (journal), Scintillation (physics), Sean M. Carroll, Seesaw mechanism, Self-interacting dark matter, Shell theorem, SIMPLE (dark matter experiment), SLAC National Accelerator Laboratory, Sloan Digital Sky Survey, SNOLAB, Solar System, Soudan Underground Mine State Park, Spacetime, Spectral line, Spectrograph, Spiral galaxy, Standard Model, Star, Stawell Underground Physics Laboratory, Sterile neutrino, Strong interaction, Strongly interacting massive particle, Structure formation, Subatomic particle, Supercluster, Supernova, Supersymmetry, Swinburne University of Technology, Tensor–vector–scalar gravity, The Astrophysical Journal, The Dallas Morning News, The New York Times, Thomson scattering, Time projection chamber, University of Groningen, University of Nottingham, University of Sheffield, Unparticle physics, Upper and lower bounds, Velocity, Vera Rubin, Virial theorem, Warm dark matter, Weak gravitational lensing, Weak interaction, Weakly interacting massive particles, White dwarf, Wilkinson Microwave Anisotropy Probe, William Thomson, 1st Baron Kelvin, WIMP Argon Programme, X-ray, Xenon, XENON, 2dF Galaxy Redshift Survey. Expand index (191 more) »
Abell 1689
Abell 1689 is a galaxy cluster in the constellation Virgo nearly 2.2 billion light-years away.
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Abundance of the chemical elements
The abundance of the chemical elements is a measure of the occurrence of the chemical elements relative to all other elements in a given environment.
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Ad hoc hypothesis
In science and philosophy, an ad hoc hypothesis is a hypothesis added to a theory in order to save it from being falsified.
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Alpha Magnetic Spectrometer
The Alpha Magnetic Spectrometer, also designated AMS-02, is a particle physics experiment module that is mounted on the International Space Station (ISS).
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Alternatives to general relativity
Alternatives to general relativity are physical theories that attempt to describe the phenomenon of gravitation in competition to Einstein's theory of general relativity.
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American Physical Society
The American Physical Society (APS) is the world's second largest organization of physicists.
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Andromeda Galaxy
The Andromeda Galaxy, also known as Messier 31, M31, or NGC 224, is a spiral galaxy approximately 780 kiloparsecs (2.5 million light-years) from Earth, and the nearest major galaxy to the Milky Way.
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Annihilation
In particle physics, annihilation is the process that occurs when a subatomic particle collides with its respective antiparticle to produce other particles, such as an electron colliding with a positron to produce two photons.
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Annual Review of Astronomy and Astrophysics
The Annual Review of Astronomy and Astrophysics is an annual peer reviewed scientific journal published by Annual Reviews.
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Antarctic Muon And Neutrino Detector Array
The Antarctic Muon And Neutrino Detector Array (AMANDA) is a neutrino telescope located beneath the Amundsen–Scott South Pole Station.
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ANTARES (telescope)
ANTARES is the name of a neutrino detector residing 2.5 km under the Mediterranean Sea off the coast of Toulon, France.
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Antimatter
In modern physics, antimatter is defined as a material composed of the antiparticle (or "partners") to the corresponding particles of ordinary matter.
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Antiproton
The antiproton,, (pronounced p-bar) is the antiparticle of the proton.
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ArDM
The ArDM (Argon Dark Matter) Experiment is a particle physics experiment based on a liquid argon detector, aiming at measuring signals from WIMPs (Weakly Interacting Massive Particles), which probably constitute the Dark Matter in the universe.
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Argon
Argon is a chemical element with symbol Ar and atomic number 18.
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Ars Technica
Ars Technica (a Latin-derived term that the site translates as the "art of technology") is a website covering news and opinions in technology, science, politics, and society, created by Ken Fisher and Jon Stokes in 1998.
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Astronomical spectroscopy
Astronomical spectroscopy is the study of astronomy using the techniques of spectroscopy to measure the spectrum of electromagnetic radiation, including visible light and radio, which radiates from stars and other celestial objects.
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Astronomy & Astrophysics
Astronomy & Astrophysics is a peer-reviewed scientific journal covering theoretical, observational, and instrumental astronomy and astrophysics.
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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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Atom
An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element.
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Axion
The axion is a hypothetical elementary particle postulated by the Peccei–Quinn theory in 1977 to resolve the strong CP problem in quantum chromodynamics (QCD).
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Axion Dark Matter Experiment
The Axion Dark Matter Experiment (ADMX, also written as Axion Dark Matter eXperiment in the project's documentation) uses a resonant microwave cavity within a large superconducting magnet to search for cold dark matter axions in the local galactic dark matter halo.
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Baryon
A baryon is a composite subatomic particle made up of three quarks (a triquark, as distinct from mesons, which are composed of one quark and one antiquark).
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Baryonic dark matter
In astronomy and cosmology, baryonic dark matter is dark matter composed of baryons.
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BBC
The British Broadcasting Corporation (BBC) is a British public service broadcaster.
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Big Bang nucleosynthesis
In physical cosmology, Big Bang nucleosynthesis (abbreviated BBN, also known as primordial nucleosynthesis, arch(a)eonucleosynthesis, archonucleosynthesis, protonucleosynthesis and pal(a)eonucleosynthesis) refers to the production of nuclei other than those of the lightest isotope of hydrogen (hydrogen-1, 1H, having a single proton as a nucleus) during the early phases of the Universe.
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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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BOOMERanG experiment
In astronomy and observational cosmology, The BOOMERanG experiment (Balloon Observations Of Millimetric Extragalactic Radiation ANd Geophysics) was an experiment which measured the cosmic microwave background radiation of a part of the sky during three sub-orbital (high-altitude) balloon flights.
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Boulby Mine
Boulby Mine is a site located just south-east of the village of Boulby, on the north-east coast of the North York Moors in Redcar and Cleveland, England.
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Brady Haran
Brady John Haran (born 18 June 1976) is an Australian-born British independent filmmaker and video journalist who is known for his educational videos and documentary films produced for BBC News and his YouTube channels, the most notable being Periodic Videos and Numberphile.
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Brown dwarf
Brown dwarfs are substellar objects that occupy the mass range between the heaviest gas giant planets and the lightest stars, having masses between approximately 13 to 75–80 times that of Jupiter, or approximately to about.
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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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Canfranc Underground Laboratory
The Canfranc Underground Laboratory (Spanish: Laboratorio Subterráneo de Canfranc or LSC) is an underground scientific facility located in the former railway Tunnel of Somport under Monte Tobazo (Pyrenees) in Canfranc.
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Chameleon particle
The chameleon is a hypothetical scalar particle that couples to matter more weakly than gravity, postulated as a dark energy candidate.
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Chemical element
A chemical element is a species of atoms having the same number of protons in their atomic nuclei (that is, the same atomic number, or Z).
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China Jinping Underground Laboratory
The China Jinping Underground Laboratory is a deep underground laboratory in the Jinping Mountains of Sichuan, China.
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Cold dark matter
In cosmology and physics, cold dark matter (CDM) is a hypothetical form of dark matter whose particles moved slowly compared to the speed of light (the cold in CDM) since the universe was approximately one year old (a time when the cosmic particle horizon contained the mass of one typical galaxy); and interact very weakly with ordinary matter and electromagnetic radiation (the dark in CDM).
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Coma Cluster
The Coma Cluster (Abell 1656) is a large cluster of galaxies that contains over 1,000 identified galaxies.
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Conformal gravity
Conformal gravity are gravity theories that are invariant under conformal transformations in the Riemannian geometry sense; more accurately, they are invariant under Weyl transformations g_\rightarrow\Omega^2(x)g_ where g_ is the metric tensor and \Omega(x) is a function on spacetime.
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Cosmic Background Explorer
The Cosmic Background Explorer (COBE), also referred to as Explorer 66, was a satellite dedicated to cosmology, which operated from 1989 to 1993.
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Cosmic distance ladder
The cosmic distance ladder (also known as the extragalactic distance scale) is the succession of methods by which astronomers determine the distances to celestial objects.
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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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Cowan–Reines neutrino experiment
The Cowan–Reines neutrino experiment was performed by Clyde L. Cowan and Frederick Reines in 1956.
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Cryogenic Dark Matter Search
The Cryogenic Dark Matter Search (CDMS) is a series of experiments designed to directly detect particle dark matter in the form of WIMPs.
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Cryogenic Rare Event Search with Superconducting Thermometers
The Cryogenic Rare Event Search with Superconducting Thermometers (CRESST) is a collaboration of European experimental particle physics groups involved in the construction of cryogenic detectors for direct dark matter searches.
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Cygnus (constellation)
Cygnus is a northern constellation lying on the plane of the Milky Way, deriving its name from the Latinized Greek word for swan.
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DAMA/LIBRA
The DAMA/LIBRA experiment is a particle detector experiment designed to detect dark matter using the direct detection approach, by using a matrix of NaI(Tl) scintillation detectors to detect dark matter particles in the galactic halo.
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DAMA/NaI
The DAMA/NaI experiment investigated the presence of dark matter particles in the galactic halo by exploiting the model-independent annual modulation signature.
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Dark energy
In physical cosmology and astronomy, dark energy is an unknown form of energy which is hypothesized to permeate all of space, tending to accelerate the expansion of the universe.
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Dark flow
In astrophysics, dark flow is a possible non-random component of the peculiar velocity of galaxy clusters.
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Dark fluid
In astronomy and cosmology, dark fluid is an alternative theory to both dark matter and dark energy and attempts to explain both phenomena in a single framework.
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Dark galaxy
A dark galaxy is a hypothesized galaxy with no, or very few, stars.
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Dark Matter (disambiguation)
Dark matter is matter that is undetectable by its emitted radiation, but whose presence can be inferred from gravitational effects.
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Dark matter halo
A dark matter halo is a hypothetical component of a galaxy that envelops the galactic disc and extends well beyond the edge of the visible galaxy.
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Dark matter in fiction
Dark matter is defined as hypothetical matter that is undetectable by its emitted radiation, but whose presence can be inferred from gravitational effects on visible matter.
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Dark Matter Particle Explorer
The Dark Matter Particle Explorer, or DAMPE (also known as Wukong), is a Chinese Academy of Sciences (CAS) satellite which launched on 17 December 2015.
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Dark Matter Time Projection Chamber
The Dark Matter Time Projection Chamber (DMTPC) is an experiment for direct detection of weakly interacting massive particles (WIMPs), one of the most favored candidates for dark matter.
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Dark radiation
Dark radiation (also dark electromagnetism) is a postulated type of radiation that mediates interactions of dark matter.
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DarkSide
The DarkSide collaboration is an international affiliation of universities and labs seeking to directly detect dark matter in the form of weakly interacting massive particles (WIMPs).
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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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DEAP
DEAP (Dark Matter Experiment using Argon Pulse-shape) is a direct dark matter search experiment using liquid argon as target material.
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Directional Recoil Identification from Tracks
The Directional Recoil Identification from Tracks (DRIFT) detector is a low pressure negative ion time projection chamber (NITPC) designed to detect weakly interacting massive particles (WIMPs) - a prime dark matter candidate.
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EDELWEISS
EDELWEISS (Expérience pour DEtecter Les WIMPs En Site Souterrain) is a dark matter search experiment located at the Modane Underground Laboratory in France.
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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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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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Electron
The electron is a subatomic particle, symbol or, whose electric charge is negative one elementary charge.
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Electronvolt
In physics, the electronvolt (symbol eV, also written electron-volt and electron volt) is a unit of energy equal to approximately joules (symbol J).
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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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Energetic Gamma Ray Experiment Telescope
The Energetic Gamma Ray Experiment Telescope (EGRET) was one of four instruments outfitted on NASA’s Compton Gamma Ray Observatory satellite.
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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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Entropic gravity
Entropic gravity, also known as emergent gravity, is a theory in modern physics that describes gravity as an entropic force—a force with macro-scale homogeneity but which is subject to quantum-level disorder—and not a fundamental interaction.
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Ethan Siegel
Ethan R. Siegel (August 3, 1978, Bronx) is an American theoretical astrophysicist and science writer, who studies Big Bang theory.
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European Underground Rare Event Calorimeter Array
The European Underground Rare Event Calorimeter Array (EURECA) is a planned dark matter search experiment using cryogenic detectors and an absorber mass of up to 1 tonne.
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Exotic matter
In physics, exotic matter is matter that somehow deviates from normal matter and has "exotic" properties.
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F(R) gravity
f(R) gravity is a type of modified gravity theory which generalizes Einstein's general relativity.
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Falsifiability
A statement, hypothesis, or theory has falsifiability (or is falsifiable) if it can logically be proven false by contradicting it with a basic statement.
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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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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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Flavour (particle physics)
In particle physics, flavour or flavor refers to the species of an elementary particle.
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Fluctuation spectrum
Fluctuation spectra are commonly denoted by sets of physical phenomena such as hydrodynamic turbulence, the collective behaviour of bacteria and more generally fluctuations originating from the equilibrium state.
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Free streaming
In astronomy, a free streaming particle, often a photon, is one that propagates through a medium without scattering.
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Friedmann–Lemaître–Robertson–Walker metric
The Friedmann–Lemaître–Robertson–Walker (FLRW) metric is an exact solution of Einstein's field equations of general relativity; it describes a homogeneous, isotropic, expanding or contracting universe that is path connected, but not necessarily simply connected.
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Fritz Zwicky
Fritz Zwicky (February 14, 1898 – February 8, 1974) was a Swiss astronomer.
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Future Circular Collider
The Future Circular Collider (FCC) study aims at developing conceptual designs for a post-LHC particle accelerator research infrastructure in a global context, with an energy significantly above that of previous circular colliders (SPS, Tevatron, LHC).
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Galactic Center
The Galactic Center is the rotational center of the Milky Way.
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Galaxy
A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.
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Galaxy cluster
A galaxy cluster, or cluster of galaxies, is a structure that consists of anywhere from hundreds to thousands of galaxies that are bound together by gravity with typical masses ranging from 1014–1015 solar masses.
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Galaxy formation and evolution
The study of galaxy formation and evolution is concerned with the processes that formed a heterogeneous universe from a homogeneous beginning, the formation of the first galaxies, the way galaxies change over time, and the processes that have generated the variety of structures observed in nearby galaxies.
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Galaxy rotation curve
The rotation curve of a disc galaxy (also called a velocity curve) is a plot of the orbital speeds of visible stars or gas in that galaxy versus their radial distance from that galaxy's centre.
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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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General antiparticle spectrometer
General antiparticle spectrometer (GAPS) is a planned experiment that will use a high-altitude balloon flying in Antarctica to look for antideuteron particles from outer space cosmic rays, in an effort to search for dark matter.
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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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Germanium
Germanium is a chemical element with symbol Ge and atomic number 32.
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Goddard Space Flight Center
The Goddard Space Flight Center (GSFC) is a major NASA space research laboratory located approximately northeast of Washington, D.C. in Greenbelt, Maryland, United States.
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Gravitational lens
A gravitational lens is a distribution of matter (such as a cluster of galaxies) between a distant light source and an observer, that is capable of bending the light from the source as the light travels towards the observer.
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Gravitational microlensing
Gravitational microlensing is an astronomical phenomenon due to the gravitational lens effect.
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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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Gravitationally-interacting massive particles
Gravitationally-interacting massive particles (GIMPs) are a set of particles theorised to explain the dark matter in our universe, as opposed to an alternative theory based on weakly-interacting massive particles (WIMPs).
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Gravitino
In supergravity theories combining general relativity and supersymmetry, the gravitino is the gauge fermion supersymmetric partner of the hypothesized graviton.
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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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Greater Sudbury
Greater Sudbury, commonly referred to as Sudbury, is a city in Ontario, Canada.
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H I region
An HI region or H I region (read H one) is a cloud in the interstellar medium composed of neutral atomic hydrogen (HI), in addition to the local abundance of helium and other elements.
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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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Hidden sector
In particle physics, the hidden sector is the collection of yet-unobserved quantum fields and the corresponding hypothetical particles that do not directly interact via the gauge boson forces of the Standard Model.
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Horace W. Babcock
Horace Welcome Babcock (September 13, 1912 – August 29, 2003) was an American astronomer.
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Hot dark matter
Hot dark matter (HDM) is a theoretical form of dark matter which consists of particles that travel with ultrarelativistic velocities.
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Hubble's law
Hubble's law is the name for the observation in physical cosmology that.
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Hydrogen line
The hydrogen line, 21-centimeter line or H I line refers to the electromagnetic radiation spectral line that is created by a change in the energy state of neutral hydrogen atoms.
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IACT
IACT stands for Imaging Atmospheric (or Air) Cherenkov Telescope or Technique.
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IceCube Neutrino Observatory
The IceCube Neutrino Observatory (or simply IceCube) is a neutrino observatory constructed at the Amundsen–Scott South Pole Station in Antarctica.
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Illustris project
The Illustris project is an ongoing series of astrophysical simulations run by an international collaboration of scientists.
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Interacting galaxy
Interacting galaxies (colliding galaxies) are galaxies whose gravitational fields result in a disturbance of one another.
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International Space Station
The International Space Station (ISS) is a space station, or a habitable artificial satellite, in low Earth orbit.
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IOP Publishing
IOP Publishing (previously named Institute of Physics Publishing) is the publishing company of the Institute of Physics.
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Jacobus Kapteyn
Prof Jacobus Cornelius Kapteyn FRS FRSE LLD (19 January 1851 – 18 June 1922) was a Dutch astronomer.
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Jan Oort
Jan Hendrik Oort (or; 28 April 1900 – 5 November 1992) was a Dutch astronomer who made significant contributions to the understanding of the Milky Way and who was a pioneer in the field of radio astronomy.
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Karl Popper
Sir Karl Raimund Popper (28 July 1902 – 17 September 1994) was an Austrian-British philosopher and professor.
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Kavli Foundation (United States)
The Kavli Foundation, based in Oxnard, California, is a foundation that supports the advancement of science and the increase of public understanding and support for scientists and their work.
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Kent Ford (astronomer)
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Kepler's laws of planetary motion
In astronomy, Kepler's laws of planetary motion are three scientific laws describing the motion of planets around the Sun.
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Laboratori Nazionali del Gran Sasso
Laboratori Nazionali del Gran Sasso (LNGS) is the largest underground research center in the world.
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Lambda-CDM model
The ΛCDM (Lambda cold dark matter) or Lambda-CDM model is a parametrization of the Big Bang cosmological model in which the universe contains a cosmological constant, denoted by Lambda (Greek Λ), associated with dark energy, and cold dark matter (abbreviated CDM).
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Large Electron–Positron Collider
The Large Electron–Positron Collider (LEP) was one of the largest particle accelerators ever constructed.
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Large Hadron Collider
The Large Hadron Collider (LHC) is the world's largest and most powerful particle collider, the most complex experimental facility ever built and the largest single machine in the world.
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Large Underground Xenon experiment
The Large Underground Xenon experiment (LUX) aims to directly detect weakly interacting massive particle (WIMP) dark matter interactions with ordinary matter on Earth.
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Lepton
In particle physics, a lepton is an elementary particle of half-integer spin (spin) that does not undergo strong interactions.
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Light
Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum.
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Light dark matter
In astronomy and cosmology, light dark matter are dark matter weakly interacting massive particles (WIMPS) candidates with masses less than 1 GeV.
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Lightest Supersymmetric Particle
In particle physics, the lightest supersymmetric particle (LSP) is the generic name given to the lightest of the additional hypothetical particles found in supersymmetric models.
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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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List of Deep Fields
In astronomy, a deep field is an image of a portion of the sky taken with a very long exposure time, in order to detect and study faint objects.
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Local Group
The Local Group is the galaxy group that includes the Milky Way.
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Lyman series
In physics and chemistry, the Lyman series is a hydrogen spectral series of transitions and resulting ultraviolet emission lines of the hydrogen atom as an electron goes from n ≥ 2 to n.
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MACS J0416.1-2403
MACS J0416.1-2403 is a galaxy cluster at a redshift of z.
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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-to-light ratio
In astrophysics and physical cosmology the mass to light ratio, normally designated with the Greek upsilon symbol \Upsilon, is the quotient between the total mass of a spatial volume (typically on the scales of a galaxy or a cluster) and its luminosity.
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Mass–energy equivalence
In physics, mass–energy equivalence states that anything having mass has an equivalent amount of energy and vice versa, with these fundamental quantities directly relating to one another by Albert Einstein's famous formula: E.
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Massive compact halo object
A massive astrophysical compact halo object (MACHO) is any kind of astronomical body that might explain the apparent presence of dark matter in galaxy halos.
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Massive gravity
In theoretical physics, massive gravity is a theory of gravity that modifies general relativity by endowing the graviton with a nonzero mass.
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Matter
In the classical physics observed in everyday life, matter is any substance that has mass and takes up space by having volume.
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Milky Way
The Milky Way is the galaxy that contains our Solar System.
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Mirror matter
In physics, mirror matter, also called shadow matter or Alice matter, is a hypothetical counterpart to ordinary matter.
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Mixed dark matter
Mixed dark matter (MDM) is a theory of dark matter (DM) proposed during the late 1990s.
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Modern Physics Letters A
Modern Physics Letters A (MPLA) is the first in a series of journals published by World Scientific under the Modern Physics Letters moniker.
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Modified Newtonian dynamics
Modified Newtonian dynamics (MOND) is a theory that proposes a modification of Newton's laws to account for observed properties of galaxies.
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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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Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society (MNRAS) is a peer-reviewed scientific journal covering research in astronomy and astrophysics.
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MultiDark
MultiDark (MULTImessenger Approach for DARK Matter Detection) is a Spanish project, with a stated goal of contributing to the identification and detection of dark matter.
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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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Neutrino
A neutrino (denoted by the Greek letter ν) is a fermion (an elementary particle with half-integer spin) that interacts only via the weak subatomic force and gravity.
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Neutron
| magnetic_moment.
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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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New Scientist
New Scientist, first published on 22 November 1956, is a weekly, English-language magazine that covers all aspects of science and technology.
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Noble gas
The noble gases (historically also the inert gases) make up a group of chemical elements with similar properties; under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity.
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Nuclear fusion
In nuclear physics, nuclear fusion is a reaction in which two or more atomic nuclei come close enough to form one or more different atomic nuclei and subatomic particles (neutrons or protons).
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Observable universe
The observable universe is a spherical region of the Universe comprising all matter that can be observed from Earth at the present time, because electromagnetic radiation from these objects has had time to reach Earth since the beginning of the cosmological expansion.
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PAMELA detector
PAMELA (Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics) was a cosmic ray research module attached to an Earth orbiting satellite.
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PandaX
The Particle and Astrophysical Xenon Detector, or PandaX, is a dark matter detection experiment at China Jinping Underground Laboratory (CJPL) in Sichuan, China.
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Particle horizon
The particle horizon (also called the cosmological horizon, the comoving horizon (in Dodelson's text), or the cosmic light horizon) is the maximum distance from which particles could have traveled to the observer in the age of the universe.
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Particle physics
Particle physics (also high energy physics) is the branch of physics that studies the nature of the particles that constitute matter and radiation.
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Philosophy of science
Philosophy of science is a sub-field of philosophy concerned with the foundations, methods, and implications of science.
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Phonon
In physics, a phonon is a collective excitation in a periodic, elastic arrangement of atoms or molecules in condensed matter, like solids and some liquids.
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Photino
A photino is a hypothetical subatomic particle, the fermion WIMP superpartner of the photon predicted by supersymmetry.
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Photon
The photon is a type of elementary particle, the quantum of the electromagnetic field including electromagnetic radiation such as light, and the force carrier for the electromagnetic force (even when static via virtual particles).
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Physical Review Letters
Physical Review Letters (PRL), established in 1958, is a peer-reviewed, scientific journal that is published 52 times per year by the American Physical Society.
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Physics beyond the Standard Model
Physics beyond the Standard Model (BSM) refers to the theoretical developments needed to explain the deficiencies of the Standard Model, such as the origin of mass, the strong CP problem, neutrino oscillations, matter–antimatter asymmetry, and the nature of dark matter and dark energy.
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Physics Reports
Physics Reports is a peer-reviewed scientific journal, a review section of Physics Letters that has been published by Elsevier since 1971.
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PICO
PICO is an experiment searching for direct evidence of dark matter using a bubble chamber of chlorofluorocarbon (Freon) as the active mass.
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Planck (spacecraft)
Planck was a space observatory operated by the European Space Agency (ESA) from 2009 to 2013, which mapped the anisotropies of the cosmic microwave background (CMB) at microwave and infra-red frequencies, with high sensitivity and small angular resolution.
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Planet
A planet is an astronomical body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has cleared its neighbouring region of planetesimals.
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Positron
The positron or antielectron is the antiparticle or the antimatter counterpart of the electron.
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Potential well
A potential well is the region surrounding a local minimum of potential energy.
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Primordial black hole
Primordial black holes are a hypothetical type of black hole that formed soon after the Big Bang.
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Protogalaxy
In physical cosmology, a protogalaxy, which could also be called a "primeval galaxy", is a cloud of gas which is forming into a galaxy.
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Proton
| magnetic_moment.
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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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Quasar
A quasar (also known as a QSO or quasi-stellar object) is an extremely luminous active galactic nucleus (AGN).
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Redshift
In physics, redshift happens when light or other electromagnetic radiation from an object is increased in wavelength, or shifted to the red end of the spectrum.
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Redshift survey
In astronomy, a redshift survey is a survey of a section of the sky to measure the redshift of astronomical objects: usually galaxies, but sometimes other objects such as galaxy clusters or quasars.
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Reports on Progress in Physics
Reports on Progress in Physics is a monthly peer-reviewed scientific journal published by IOP Publishing.
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Robust associations of massive baryonic objects
In astronomy, a RAMBO or robust association of massive baryonic objects is a dark cluster made of brown dwarfs or white dwarfs.
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Sanford Underground Research Facility
The Sanford Underground Research Facility (SURF), formerly Sanford Underground Laboratory at Homestake (or Sanford Lab) is an underground laboratory near Lead, South Dakota.
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Scalar field dark matter
In astrophysics and cosmology scalar field dark matter is a classical, minimally coupled, scalar field postulated to account for the inferred dark matter.
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Scalar–tensor–vector gravity
Scalar–tensor–vector gravity (STVG) is a modified theory of gravity developed by John Moffat, a researcher at the Perimeter Institute for Theoretical Physics in Waterloo, Ontario.
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Scale factor (cosmology)
The relative expansion of the universe is parametrized by a dimensionless scale factor a. Also known as the cosmic scale factor or sometimes the Robertson–Walker scale factor, this is a key parameter of the Friedmann equations.
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Science (journal)
Science, also widely referred to as Science Magazine, is the peer-reviewed academic journal of the American Association for the Advancement of Science (AAAS) and one of the world's top academic journals.
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Scintillation (physics)
Scintillation is a flash of light produced in a transparent material by the passage of a particle (an electron, an alpha particle, an ion, or a high-energy photon).
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Sean M. Carroll
Sean Michael Carroll (born October 5, 1966) is a cosmologist and physics professor specializing in dark energy and general relativity.
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Seesaw mechanism
In the theory of grand unification of particle physics, and, in particular, in theories of neutrino masses and neutrino oscillation, the seesaw mechanism is a generic model used to understand the relative sizes of observed neutrino masses, of the order of eV, compared to those of quarks and charged leptons, which are millions of times heavier.
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Self-interacting dark matter
In astrophysics, self-interacting dark matter (SIDM) is a hypothetical form of dark matter consisting of particles with strong self-interactions.
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Shell theorem
In classical mechanics, the shell theorem gives gravitational simplifications that can be applied to objects inside or outside a spherically symmetrical body.
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SIMPLE (dark matter experiment)
SIMPLE (Superheated Instrument for Massive ParticLe Experiments) is an experiment search for direct evidence of dark matter.
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SLAC National Accelerator Laboratory
SLAC National Accelerator Laboratory, originally named Stanford Linear Accelerator Center, is a United States Department of Energy National Laboratory operated by Stanford University under the programmatic direction of the U.S. Department of Energy Office of Science and located in Menlo Park, California.
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Sloan Digital Sky Survey
The Sloan Digital Sky Survey or SDSS is a major multi-spectral imaging and spectroscopic redshift survey using a dedicated 2.5-m wide-angle optical telescope at Apache Point Observatory in New Mexico, United States.
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SNOLAB
SNOLAB is a Canadian underground physics laboratory at a depth of 2 km in Vale's Creighton nickel mine in Sudbury, Ontario.
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Solar System
The Solar SystemCapitalization of the name varies.
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Soudan Underground Mine State Park
The Soudan Underground Mine State Park is a Minnesota state park at the site of the Soudan Underground Mine, on the south shore of Lake Vermilion, in the Vermilion Range (Minnesota).
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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 line
A spectral line is a dark or bright line in an otherwise uniform and continuous spectrum, resulting from emission or absorption of light in a narrow frequency range, compared with the nearby frequencies.
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Spectrograph
A spectrograph is an instrument that separates light into a frequency spectrum and records the signal using a camera.
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Spiral galaxy
Spiral galaxies form a class of galaxy originally described by Edwin Hubble in his 1936 work The Realm of the Nebulae(pp. 124–151) and, as such, form part of the Hubble sequence.
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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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Star
A star is type of astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.
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Stawell Underground Physics Laboratory
The Stawell Underground Physics Laboratory (SUPL) is a proposed laboratory 1 km deep in the Stawell Goldmine, located in Stawell, Shire of Northern Grampians, Victoria, Australia.
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Sterile neutrino
Sterile neutrinos (or inert neutrinos) are a hypothetical particle (neutral leptons – neutrinos) that interact only via gravity and do not interact via any of the fundamental interactions of the Standard Model.
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Strong interaction
In particle physics, the strong interaction is the mechanism responsible for the strong nuclear force (also called the strong force or nuclear strong force), and is one of the four known fundamental interactions, with the others being electromagnetism, the weak interaction, and gravitation.
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Strongly interacting massive particle
Strongly interacting massive particles (SIMPs) are hypothetical particles that interact strongly between themselves and weakly with ordinary matter, but could form the inferred dark matter despite this.
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Structure formation
In physical cosmology, structure formation is the formation of galaxies, galaxy clusters and larger structures from small early density fluctuations.
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Subatomic particle
In the physical sciences, subatomic particles are particles much smaller than atoms.
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Supercluster
A supercluster is a large group of smaller galaxy clusters or galaxy groups; it is among the largest-known structures of the cosmos.
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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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Supersymmetry
In particle physics, supersymmetry (SUSY) is a theory that proposes a relationship between two basic classes of elementary particles: bosons, which have an integer-valued spin, and fermions, which have a half-integer spin.
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Swinburne University of Technology
Swinburne University of Technology (often simply called Swinburne) is an Australian public university based in Melbourne, Victoria.
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Tensor–vector–scalar gravity
Tensor–vector–scalar gravity (TeVeS), developed by Jacob Bekenstein in 2004, is a relativistic generalization of Mordehai Milgrom's Modified Newtonian dynamics (MOND) paradigm.
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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 Dallas Morning News
The Dallas Morning News is a daily newspaper serving the Dallas–Fort Worth area of Texas, with an average of 271,900 daily subscribers.
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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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Thomson scattering
Thomson scattering is the elastic scattering of electromagnetic radiation by a free charged particle, as described by classical electromagnetism.
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Time projection chamber
In physics, a time projection chamber (TPC) is a type of particle detector that uses a combination of electric fields and magnetic fields together with a sensitive volume of gas or liquid to perform a three-dimensional reconstruction of a particle trajectory or interaction.
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University of Groningen
The University of Groningen (abbreviated as UG; Rijksuniversiteit Groningen, abbreviated as RUG) is a public research university in the city of Groningen in the Netherlands.
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University of Nottingham
The University of Nottingham is a public research university in Nottingham, United Kingdom.
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University of Sheffield
The University of Sheffield (informally Sheffield University) is a public research university in Sheffield, South Yorkshire, England.
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Unparticle physics
In theoretical physics, unparticle physics is a speculative theory that conjectures a form of matter that cannot be explained in terms of particles using the Standard Model of particle physics, because its components are scale invariant.
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Upper and lower bounds
In mathematics, especially in order theory, an upper bound of a subset S of some partially ordered set (K, ≤) is an element of K which is greater than or equal to every element of S. The term lower bound is defined dually as an element of K which is less than or equal to every element of S. A set with an upper bound is said to be bounded from above by that bound, a set with a lower bound is said to be bounded from below by that bound.
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Velocity
The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time.
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Vera Rubin
Vera Florence Cooper Rubin (July 23, 1928 – December 25, 2016) was an American astronomer who pioneered work on galaxy rotation rates.
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Virial theorem
In mechanics, the virial theorem provides a general equation that relates the average over time of the total kinetic energy, \left\langle T \right\rangle, of a stable system consisting of N particles, bound by potential forces, with that of the total potential energy, \left\langle V_\text \right\rangle, where angle brackets represent the average over time of the enclosed quantity.
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Warm dark matter
Warm dark matter (WDM) is a hypothesized form of dark matter that has properties intermediate between those of hot dark matter and cold dark matter, causing structure formation to occur bottom-up from above their free-streaming scale, and top-down below their free streaming scale.
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Weak gravitational lensing
While the presence of any mass bends the path of light passing near it, this effect rarely produces the giant arcs and multiple images associated with strong gravitational lensing.
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Weak interaction
In particle physics, the weak interaction (the weak force or weak nuclear force) is the mechanism of interaction between sub-atomic particles that causes radioactive decay and thus plays an essential role in nuclear fission.
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Weakly interacting massive particles
Weakly interacting massive particles (WIMPs) are hypothetical particles that are thought to constitute dark matter.
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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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Wilkinson Microwave Anisotropy Probe
The Wilkinson Microwave Anisotropy Probe (WMAP), originally known as the Microwave Anisotropy Probe (MAP), was a spacecraft operating from 2001 to 2010 which measured temperature differences across the sky in the cosmic microwave background (CMB) – the radiant heat remaining from the Big Bang.
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William Thomson, 1st Baron Kelvin
William Thomson, 1st Baron Kelvin, (26 June 1824 – 17 December 1907) was a Scots-Irish mathematical physicist and engineer who was born in Belfast in 1824.
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WIMP Argon Programme
The WIMP Argon Programme (WARP) is an experiment at Laboratori Nazionali del Gran Sasso, Italy, for the research of cold dark matter.
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X-ray
X-rays make up X-radiation, a form of electromagnetic radiation.
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Xenon
Xenon is a chemical element with symbol Xe and atomic number 54.
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XENON
The XENON dark matter research project, operated at the Italian Gran Sasso National Laboratory, is a deep underground research facility featuring increasingly ambitious experiments aiming to detect dark matter particles.
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2dF Galaxy Redshift Survey
In astronomy, the 2dF Galaxy Redshift Survey (Two-degree-Field Galaxy Redshift Survey), 2dF or 2dFGRS is a redshift survey conducted by the Anglo-Australian Observatory (AAO) with the 3.9m Anglo-Australian Telescope between 1997 and 11 April 2002.
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Redirects here:
Black matter, Dark Matter, Dark attractive force theory, Dark gravity, Dark matter behavior, Dark matter problem, Dark matter theory, Dark-matter, Darkmatter, Direct detection of dark matter, Dunkle materie, Missing mass, Missing mass problem, Nonbaryonic dark matter.
References
[1] https://en.wikipedia.org/wiki/Dark_matter
