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36 relations: Blazar, Chandra X-ray Observatory, Fermi Gamma-ray Space Telescope, Gamma ray, Geon (physics), Goddard Space Flight Center, Hawking radiation, Holographic principle, John Archibald Wheeler, MAGIC (telescope), Markarian 501, Maxima and minima, NASA, Nature (journal), Photon, Physical Review, Planck length, Planck time, Planck units, Quantitative research, Quantum fluctuation, Quantum gravity, Quantum mechanics, Quasar, Scientific American, Spacetime, Special relativity, Speed of light, Spin foam, Stochastic quantum mechanics, String theory, Uncertainty principle, Vacuum, Vacuum energy, Werner Heisenberg, Wormhole.
Blazar
A blazar is a very compact quasar (quasi-stellar radio source) associated with a presumed supermassive black hole at the center of an active, giant elliptical galaxy.
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Chandra X-ray Observatory
The Chandra X-ray Observatory (CXO), previously known as the Advanced X-ray Astrophysics Facility (AXAF), is a Flagship-class space observatory launched on STS-93 by NASA on July 23, 1999.
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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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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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Geon (physics)
In theoretical general relativity, a geon is an electromagnetic or gravitational wave which is held together in a confined region by the gravitational attraction of its own field energy.
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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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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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Holographic principle
The holographic principle is a principle of string theories and a supposed property of quantum gravity that states that the description of a volume of space can be thought of as encoded on a lower-dimensional boundary to the region—preferably a light-like boundary like a gravitational horizon.
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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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MAGIC (telescope)
MAGIC (Major Atmospheric Gamma Imaging Cherenkov Telescopes) is a system of two Imaging Atmospheric Cherenkov telescopes situated at the Roque de los Muchachos Observatory on La Palma, one of the Canary Islands, at about 2200 m above sea level.
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Markarian 501
Markarian 501 (or Mrk 501) is a galaxy with a spectrum extending to the highest energy gamma rays.
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Maxima and minima
In mathematical analysis, the maxima and minima (the respective plurals of maximum and minimum) of a function, known collectively as extrema (the plural of extremum), are the largest and smallest value of the function, either within a given range (the local or relative extrema) or on the entire domain of a function (the global or absolute extrema).
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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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Nature (journal)
Nature is a British multidisciplinary scientific journal, first published on 4 November 1869.
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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
Physical Review is an American peer-reviewed scientific journal established in 1893 by Edward Nichols.
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Planck length
In physics, the Planck length, denoted, is a unit of length, equal to metres.
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Planck time
In quantum mechanics, the Planck time is the unit of time in the system of natural units known as Planck units.
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Planck units
In particle physics and physical cosmology, Planck units are a set of units of measurement defined exclusively in terms of five universal physical constants, in such a manner that these five physical constants take on the numerical value of 1 when expressed in terms of these units.
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Quantitative research
In natural sciences and social sciences, quantitative research is the systematic empirical investigation of observable phenomena via statistical, mathematical or computational techniques.
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Quantum fluctuation
In quantum physics, a quantum fluctuation (or vacuum state fluctuation or vacuum fluctuation) is the temporary change in the amount of energy in a point in space, as explained in Werner Heisenberg's uncertainty principle.
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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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Quantum mechanics
Quantum mechanics (QM; also known as quantum physics, quantum theory, the wave mechanical model, or matrix mechanics), including quantum field theory, is a fundamental theory in physics which describes nature at the smallest scales of energy levels of atoms and subatomic particles.
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Quasar
A quasar (also known as a QSO or quasi-stellar object) is an extremely luminous active galactic nucleus (AGN).
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Scientific American
Scientific American (informally abbreviated SciAm) is an American popular science magazine.
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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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Special relativity
In physics, special relativity (SR, also known as the special theory of relativity or STR) is the generally accepted and experimentally well-confirmed physical theory regarding the relationship between space and time.
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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 foam
In physics, the topological structure of spinfoam or spin foam consists of two-dimensional faces representing a configuration required by functional integration to obtain a Feynman's path integral description of quantum gravity.
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Stochastic quantum mechanics
Stochastic quantum mechanics (or the stochastic interpretation) is an interpretation of quantum mechanics.
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String theory
In physics, string theory is a theoretical framework in which the point-like particles of particle physics are replaced by one-dimensional objects called strings.
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Uncertainty principle
In quantum mechanics, the uncertainty principle (also known as Heisenberg's uncertainty principle) is any of a variety of mathematical inequalities asserting a fundamental limit to the precision with which certain pairs of physical properties of a particle, known as complementary variables, such as position x and momentum p, can be known.
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Vacuum
Vacuum is space devoid of matter.
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Vacuum energy
Vacuum energy is an underlying background energy that exists in space throughout the entire Universe.
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Werner Heisenberg
Werner Karl Heisenberg (5 December 1901 – 1 February 1976) was a German theoretical physicist and one of the key pioneers of quantum mechanics.
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Wormhole
A wormhole is a concept that represents a solution of the Einstein field equations: a non-trivial resolution of the Ehrenfest paradox structure linking separate points in spacetime.
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Redirects here:
Graininess of space, Planckian regime, Quantum Foam, Space time foam, Space-time foam, Spacetime foam, Wheeler foam.
References
[1] https://en.wikipedia.org/wiki/Quantum_foam
