89 relations: Active galactic nucleus, Andrew Siemion, Antenna (radio), Arecibo Observatory, Arecibo, Puerto Rico, Array processing, Astronomical interferometer, Astronomy and Astrophysics Decadal Survey, Beamforming, Big O notation, Black hole, Dark energy, Dark matter, DARPA, Data-rate units, Digital signal processing, Exoplanet, ʻOumuamua, Field-programmable gate array, FLOPS, Focal length, Frank Drake, Galactic coordinate system, Galaxy, Galaxy formation and evolution, Gamma-ray burst, Gigabyte, Google Lunar X Prize, Gravitational wave, Green Bank Telescope, Gregorian telescope, Hat Creek Radio Observatory, Hectare, Hertz, Hydroforming, Hydrogen Epoch of Reionization Array, Hydrogen line, KIC 8462852, List of radio telescopes, Local Group, Log-periodic antenna, Magnetic field, MeerKAT, Metallicity, Microsoft, Milky Way, Molecular cloud, Murchison Widefield Array, NASA Deep Space Network, National Science Foundation, ..., Noise temperature, Octave (electronics), OpenSonATA, Operation (mathematics), Optical fiber, Outer space, Parabolic antenna, Parsec, Paul Allen, Peta-, Petabyte, Phased array, Point source, Pulsar, Qualcomm, Radar astronomy, Radio, Radio astronomy, Radio Astronomy Laboratory, Radio telescope, Redshift, San Francisco, Search for extraterrestrial intelligence, SETI Institute, SetiQuest, Side lobe, Spectrometer, Square Kilometre Array, SRI International, Star formation, Starburst galaxy, Steradian, Telemetry, Transient astronomical event, United States Navy, Universe, University of California, Berkeley, Very Large Array, Wideband. Expand index (39 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.
Andrew Patrick Vincent Siemion is an astrophysicist and director of the Berkeley SETI Research Center.
In radio, an antenna is the interface between radio waves propagating through space and electric currents moving in metal conductors, used with a transmitter or receiver.
The Arecibo Observatory is a radio telescope in the municipality of Arecibo, Puerto Rico.
Arecibo is a municipality on the northern coast of Puerto Rico (U.S.), on the shores of the Atlantic Ocean, located north of Utuado and Ciales; east of Hatillo; and west of Barceloneta and Florida.
Array processing: signal processing is a wide area of research that extends from the simplest form of 1-D signal processing to the complex form of M-D and array signal processing.
An astronomical interferometer is an array of separate telescopes, mirror segments, or radio telescope antennas that work together as a single telescope to provide higher resolution images of astronomical objects such as stars, nebulas and galaxies by means of interferometry.
The Astronomy and Astrophysics Decadal Survey is a review of astronomy and astrophysics literature produced approximately every ten years by the National Research Council of the National Academy of Sciences in the United States.
Beamforming or spatial filtering is a signal processing technique used in sensor arrays for directional signal transmission or reception.
Big O notation is a mathematical notation that describes the limiting behaviour of a function when the argument tends towards a particular value or infinity.
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.
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.
Dark matter is a theorized form of matter that is thought to account for approximately 80% of the matter in the universe, and about a quarter of its total energy density.
The Defense Advanced Research Projects Agency (DARPA) is an agency of the United States Department of Defense responsible for the development of emerging technologies for use by the military.
In telecommunications, data-transfer rate is the average number of bits (bitrate), characters or symbols (baudrate), or data blocks per unit time passing through a communication link in a data-transmission system.
Digital signal processing (DSP) is the use of digital processing, such as by computers or more specialized digital signal processors, to perform a wide variety of signal processing operations.
An exoplanet or extrasolar planet is a planet outside our solar system.
ʻOumuamua is a mildly active comet, and the first known interstellar object to pass through the Solar System.
A field-programmable gate array (FPGA) is an integrated circuit designed to be configured by a customer or a designer after manufacturing hence "field-programmable".
In computing, floating point operations per second (FLOPS, flops or flop/s) is a measure of computer performance, useful in fields of scientific computations that require floating-point calculations.
The focal length of an optical system is a measure of how strongly the system converges or diverges light.
Frank Donald Drake (born May 28, 1930) is an American astronomer and astrophysicist.
The galactic coordinate system is a celestial coordinate system in spherical coordinates, with the Sun as its center, the primary direction aligned with the approximate center of the Milky Way galaxy, and the fundamental plane parallel to an approximation of the galactic plane but offset to its north.
A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.
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.
In gamma-ray astronomy, gamma-ray bursts (GRBs) are extremely energetic explosions that have been observed in distant galaxies.
The gigabyte is a multiple of the unit byte for digital information.
The Google Lunar XPRIZE (GLXP), sometimes referred to as Moon 2.0, was a 2007–2018 inducement prize space competition organized by the X Prize Foundation, and sponsored by Google.
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.
The Robert C. Byrd Green Bank Telescope (GBT) in Green Bank, West Virginia, US is the world's largest fully steerable radio telescope.
The Gregorian telescope is a type of reflecting telescope designed by Scottish mathematician and astronomer James Gregory in the 17th century, and first built in 1673 by Robert Hooke.
The Hat Creek Radio Observatory (HCRO) is operated by SRI International in the Western United States.
The hectare (SI symbol: ha) is an SI accepted metric system unit of area equal to a square with 100 meter sides, or 10,000 m2, and is primarily used in the measurement of land.
The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.
Hydroforming is a cost-effective way of shaping ductile metals such as aluminium, brass, low alloy steel, and stainless steel into lightweight, structurally stiff and strong pieces.
The Hydrogen Epoch of Reionization Array (HERA) is a radio telescope dedicated to observing large scale structure during and prior to the epoch of reionization.
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.
KIC 8462852 (also Tabby's Star or Boyajian's Star) is an F-type main-sequence star located in the constellation Cygnus approximately from Earth.
This is a list of radio telescopes - over one hundred - that are or have been used for radio astronomy.
The Local Group is the galaxy group that includes the Milky Way.
A log-periodic antenna (LP), also known as a log-periodic array or log-periodic aerial, is a multi-element, directional antenna designed to operate over a wide band of frequencies.
A magnetic field is a vector field that describes the magnetic influence of electrical currents and magnetized materials.
MeerKAT, originally the Karoo Array Telescope, is a radio telescope under construction in the Northern Cape of South Africa.
In astronomy, metallicity is used to describe the abundance of elements present in an object that are heavier than hydrogen or helium.
Microsoft Corporation (abbreviated as MS) is an American multinational technology company with headquarters in Redmond, Washington.
The Milky Way is the galaxy that contains our Solar System.
A molecular cloud, sometimes called a stellar nursery (if star formation is occurring within), is a type of interstellar cloud, the density and size of which permit the formation of molecules, most commonly molecular hydrogen (H2).
The Murchison Widefield Array (MWA) is a joint project between an international consortia of organisations to construct and operate a low-frequency radio array.
The NASA Deep Space Network (DSN) is a worldwide network of US spacecraft communication facilities, located in the United States (California), Spain (Madrid), and Australia (Canberra), that supports NASA's interplanetary spacecraft missions.
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.
In electronics, noise temperature is one way of expressing the level of available noise power introduced by a component or source.
In electronics, an octave (symbol oct) is a doubling or halving of a frequency.
Open SonATA stands for Open SETI on the Allen Telescope Array and is the open source version of the software are used for signal detection by the SETI Institute on the Allen Telescope Array (ATA).
In mathematics, an operation is a calculation from zero or more input values (called operands) to an output value.
An optical fiber or optical fibre is a flexible, transparent fiber made by drawing glass (silica) or plastic to a diameter slightly thicker than that of a human hair.
Outer space, or just space, is the expanse that exists beyond the Earth and between celestial bodies.
A parabolic antenna is an antenna that uses a parabolic reflector, a curved surface with the cross-sectional shape of a parabola, to direct the radio waves.
The parsec (symbol: pc) is a unit of length used to measure large distances to astronomical objects outside the Solar System.
Paul Gardner Allen (born January 21, 1953) is an American business magnate, investor and philanthropist.
Peta is a decimal unit prefix in the metric system denoting multiplication by 1015.
The petabyte is a multiple of the unit byte for digital information.
In antenna theory, a phased array usually means an electronically scanned array; a computer-controlled array of antennas which creates a beam of radio waves which can be electronically steered to point in different directions, without moving the antennas.
A point source is a single identifiable localised source of something.
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.
Qualcomm is an American multinational semiconductor and telecommunications equipment company that designs and markets wireless telecommunications products and services.
Radar astronomy is a technique of observing nearby astronomical objects by reflecting microwaves off target objects and analyzing the reflections.
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.
The Radio Astronomy Lab (RAL) is an Organized Research Unit (ORU) within the Astronomy Department at the University of California, Berkeley.
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.
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.
San Francisco (initials SF;, Spanish for 'Saint Francis'), officially the City and County of San Francisco, is the cultural, commercial, and financial center of Northern California.
The search for extraterrestrial intelligence (SETI) is a collective term for scientific searches for intelligent extraterrestrial life, for example, monitoring electromagnetic radiation for signs of transmissions from civilizations on other planets.
The SETI Institute is a not-for-profit research organization whose mission is to explore, understand, and explain the origin and nature of life in the universe, and to apply the knowledge gained to inspire and guide present and future generations.
setiQuest is an inactive project of the SETI Institute, whose declared aim is to "globalize the search for extra-terrestrial intelligence and empower a new generation of SETI enthusiasts", by creating means for a deeper involvement from the interested public.
In antenna engineering, side lobes or sidelobes are the lobes (local maxima) of the far field radiation pattern that are not the main lobe.
A spectrometer is a scientific instrument used to separate and measure spectral components of a physical phenomenon.
The Square Kilometre Array (SKA) is a large multi radio telescope project aimed to be built in Australia and South Africa.
SRI International (SRI) is an American nonprofit research institute headquartered in Menlo Park, California.
Star formation is the process by which dense regions within molecular clouds in interstellar space, sometimes referred to as "stellar nurseries" or "star-forming regions", collapse and form stars.
A starburst galaxy is a galaxy undergoing an exceptionally high rate of star formation, as compared to the long-term average rate of star formation in the galaxy or the star formation rate observed in most other galaxies.
Telemetry is an automated communications process by which measurements and other data are collected at remote or inaccessible points and transmitted to receiving equipment for monitoring.
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.
The United States Navy (USN) is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States.
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 California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public research university in Berkeley, California.
The Karl G. Jansky Very Large Array (VLA) is a centimeter-wavelength radio astronomy observatory located in central New Mexico on the Plains of San Agustin, between the towns of Magdalena and Datil, ~50 miles (80 km) west of Socorro.
In communications, a system is wideband when the message bandwidth significantly exceeds the coherence bandwidth of the channel.