70 relations: Active galactic nucleus, Alfvén wave, Astrometry, Astrophysical maser, Astrophysical X-ray source, Astropulse, Background radiation, Bell Labs, Big Bang, Binary star, Black body, Black hole, Blitzar, Carbon monoxide, Cassiopeia A, Centaurus A, Crab Nebula, Crab Pulsar, Cyclotron, Electromagnetic radiation, Engineer, Galactic Center, Galaxy, Galaxy groups and clusters, Gamma ray, Gas, Geomagnetic storm, Grote Reber, Hawking radiation, Hydrogen line, Io (moon), Jansky, Jodrell Bank Observatory, Jones & Bartlett Learning, Karl Guthe Jansky, Magnetosphere of Jupiter, Martin Rees, Maura McLaughlin, Messier 87, Molecule, MWC 349, NASA, Neutron star, Outer space, Parkes Observatory, Parsec, Physicist, Project Ozma, Pulsar, Quasar, ..., Radio, Radio astronomy, Radio galaxy, Radio telescope, Radio wave, Redshift, Regnery Publishing, Rotating radio transient, Sagittarius A*, Scientific American, Small Magellanic Cloud, Spiral galaxy, Standard Model, Star, Sun, Supernova remnant, Synchrotron radiation, Universe, University of Manchester, 3C 273. Expand index (20 more) » « Shrink index
An active galactic nucleus (AGN) is a compact region at the center of a galaxy that has a much higher than normal luminosity over at least some portion—and possibly all—of the electromagnetic spectrum, with characteristics indicating that the excess luminosity is not produced by stars.
In plasma physics, an Alfvén wave, named after Hannes Alfvén, is a type of magnetohydrodynamic wave in which ions oscillate in response to a restoring force provided by an effective tension on the magnetic field lines.
Astrometry is the branch of astronomy that involves precise measurements of the positions and movements of stars and other celestial bodies.
An astrophysical maser is a naturally occurring source of stimulated spectral line emission, typically in the microwave portion of the electromagnetic spectrum.
Astrophysical X-ray sources are astronomical objects with physical properties which result in the emission of X-rays.
Astropulse is a distributed computing project that uses volunteers around the globe to lend their unused computing power to search for primordial black holes, pulsars, and extraterrestrial intelligence (ETI).
Background radiation is a measure of the ionizing radiation present in the environment at a particular location which is not due to deliberate introduction of radiation sources.
Nokia Bell Labs (formerly named AT&T Bell Laboratories, Bell Telephone Laboratories and Bell Labs) is an American research and scientific development company, owned by Finnish company Nokia.
The Big Bang theory is the prevailing cosmological model for the universe from the earliest known periods through its subsequent large-scale evolution.
A binary star is a star system consisting of two stars orbiting around their common barycenter.
A black body is an idealized physical body that absorbs all incident electromagnetic radiation, regardless of frequency or angle of incidence.
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.
Blitzars are a hypothetical type of astronomical object in which a spinning pulsar rapidly collapses into a black hole.
Carbon monoxide (CO) is a colorless, odorless, and tasteless gas that is slightly less dense than air.
Cassiopeia A (Cas A) is a supernova remnant (SNR) in the constellation Cassiopeia and the brightest extrasolar radio source in the sky at frequencies above 1 GHz.
Centaurus A or NGC 5128 is a galaxy in the constellation of Centaurus.
The Crab Nebula (catalogue designations M1, NGC 1952, Taurus A) is a supernova remnant in the constellation of Taurus.
The Crab Pulsar (PSR B0531+21) is a relatively young neutron star.
A cyclotron is a type of particle accelerator invented by Ernest O. Lawrence in 1929-1930 at the University of California, Berkeley, and patented in 1932.
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.
Engineers, as practitioners of engineering, are people who invent, design, analyze, build, and test machines, systems, structures and materials to fulfill objectives and requirements while considering the limitations imposed by practicality, regulation, safety, and cost.
The Galactic Center is the rotational center of the Milky Way.
A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.
Galaxy groups and clusters are the largest known gravitationally bound objects to have arisen thus far in the process of cosmic structure formation.
A gamma ray or gamma radiation (symbol γ or \gamma), is penetrating electromagnetic radiation arising from the radioactive decay of atomic nuclei.
Gas is one of the four fundamental states of matter (the others being solid, liquid, and plasma).
A geomagnetic storm (commonly referred to as a solar storm) is a temporary disturbance of the Earth's magnetosphere caused by a solar wind shock wave and/or cloud of magnetic field that interacts with the Earth's magnetic field.
Grote Reber (December 22, 1911 – December 20, 2002) was a pioneer of radio astronomy, which combined his interests in amateur radio and amateur astronomy.
Hawking radiation is blackbody radiation that is predicted to be released by black holes, due to quantum effects near the event horizon.
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.
Io (Jupiter I) is the innermost of the four Galilean moons of the planet Jupiter.
The jansky (symbol Jy) is a non-SI unit of spectral flux density, or spectral irradiance, used especially in radio astronomy.
The Jodrell Bank Observatory (originally the Jodrell Bank Experimental Station, then the Nuffield Radio Astronomy Laboratories from 1966 to 1999) is a British observatory that hosts a number of radio telescopes, and is part of the Jodrell Bank Centre for Astrophysics at the University of Manchester.
Jones & Bartlett Learning, a division of Ascend Learning, is a provider of instructional, assessment and learning-performance management solutions for the secondary, post-secondary, and professional markets.
Karl Guthe Jansky (October 22, 1905 – February 14, 1950) was an American physicist and radio engineer who in August 1931 first discovered radio waves emanating from the Milky Way.
The magnetosphere of Jupiter is the cavity created in the solar wind by the planet's magnetic field.
Martin John Rees, Baron Rees of Ludlow, One or more of the preceding sentences incorporates text from the royalsociety.org website where: (born 23 June 1942) is a British cosmologist and astrophysicist.
Maura McLaughlin Ph.D. is currently an astrophysics professor at West Virginia University in Morgantown, West Virginia.
Messier 87 (also known as Virgo A or NGC 4486, generally abbreviated to M87) is a supergiant elliptical galaxy in the constellation Virgo.
A molecule is an electrically neutral group of two or more atoms held together by chemical bonds.
MWC 349 is a double (likely, triple) star system in the constellation Cygnus.
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.
A neutron star is the collapsed core of a large star which before collapse had a total of between 10 and 29 solar masses.
Outer space, or just space, is the expanse that exists beyond the Earth and between celestial bodies.
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.
The parsec (symbol: pc) is a unit of length used to measure large distances to astronomical objects outside the Solar System.
A physicist is a scientist who has specialized knowledge in the field of physics, which encompasses the interactions of matter and energy at all length and time scales in the physical universe.
Project Ozma was a pioneering SETI experiment started in 1960 by Cornell University astronomer Frank Drake, at the National Radio Astronomy Observatory at Green Bank, West Virginia.
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.
A quasar (also known as a QSO or quasi-stellar object) is an extremely luminous active galactic nucleus (AGN).
Radio is the technology of using radio waves to carry information, such as sound, by systematically modulating properties of electromagnetic energy waves transmitted through space, such as their amplitude, frequency, phase, or pulse width.
Radio astronomy is a subfield of astronomy that studies celestial objects at radio frequencies.
Radio galaxies and their relatives, radio-loud quasars and blazars, are types of active galaxy that are very luminous at radio wavelengths, with luminosities up to 1039 W between 10 MHz and 100 GHz.
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.
Radio waves are a type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared light.
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.
Regnery Publishing is a conservative book publisher based in Washington, D.C. An imprint of Salem Media Group, it is led by president Marji Ross.
Rotating radio transients (RRATs) are sources of short, moderately bright, radio pulses, which were first discovered in 2006.
Sagittarius A* (pronounced "Sagittarius A-star", standard abbreviation Sgr A*) is a bright and very compact astronomical radio source at the center of the Milky Way, near the border of the constellations Sagittarius and Scorpius.
Scientific American (informally abbreviated SciAm) is an American popular science magazine.
The Small Magellanic Cloud (SMC), or Nubecula Minor, is a dwarf galaxy near the Milky Way.
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.
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.
A star is type of astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.
The Sun is the star at the center of the Solar System.
A supernova remnant (SNR) is the structure resulting from the explosion of a star in a supernova.
Synchrotron radiation (also known as magnetobremsstrahlung radiation) is the electromagnetic radiation emitted when charged particles are accelerated radially, i.e., when they are subject to an acceleration perpendicular to their velocity.
The Universe is all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy.
The University of Manchester is a public research university in Manchester, England, formed in 2004 by the merger of the University of Manchester Institute of Science and Technology and the Victoria University of Manchester.
3C 273 is a quasar located in the constellation Virgo.