galaxy

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Related to Galactic nuclei: Active galaxy

gal·ax·y

 (găl′ək-sē)
n. pl. gal·ax·ies
1. Astronomy
a. Any of numerous large-scale aggregates of stars, gas, and dust that constitute the universe, containing an average of 100 billion (1011) solar masses and ranging in diameter from 1,500 to 300,000 light-years.
b. often Galaxy The Milky Way.
2. An assembly of brilliant, glamorous, or distinguished persons or things: a galaxy of theatrical performers.

[Middle English galaxie, the Milky Way, from Late Latin galaxiās, from Greek, from gala, galakt-, milk; see melg- in Indo-European roots.]

galaxy

(ˈɡæləksɪ)
n, pl -axies
1. (Astronomy) any of a vast number of star systems held together by gravitational attraction in an asymmetric shape (an irregular galaxy) or, more usually, in a symmetrical shape (a regular galaxy), which is either a spiral or an ellipse. Former names: island universe or extragalactic nebula
2. a splendid gathering, esp one of famous or distinguished people
[C14 (in the sense: the Milky Way), from Medieval Latin galaxia, from Latin galaxias, from Greek, from gala milk; related to Latin lac milk]

Galaxy

(ˈɡæləksɪ)
n
(Celestial Objects) the Galaxy the spiral galaxy, approximately 100 000 light years in diameter, that contains the solar system about three fifths of the distance from its centre. Also known as: the Milky Way System See also Magellanic Cloud

gal•ax•y

(ˈgæl ək si)

n., pl. -ax•ies.
1.
a. a large system of stars held together by mutual gravitation and isolated from similar systems by vast regions of space.
b. (usu. cap.) Milky Way.
2. any large and brilliant or impressive assemblage of persons or things: a galaxy of opera stars.
[1350–1400; Middle English galaxie, galaxias < Medieval Latin galaxia,galaxias, ultimately < Greek galaxías kýklos the Milky Way; see galacto-]

gal·ax·y

(găl′ək-sē)
Any of numerous large-scale collections of stars, gas, and dust that make up the universe. A galaxy may range in diameter from 1,500 to 300,000 light-years.

Galaxy

 an assembly of brillant or noted persons or things. See also constellation.
Examples: galaxy of ability, 1887; of astronomers—Lipton, 1970; of beauty, 1704; of brightness, 1762; of fame, 1649; of governesses; of joy, 1842; of stars; of wax candles, 1862.

galaxy

Galaxies are collections of stars and planets and clouds of gas or dust that form “islands” in the emptiness of space. A recent theory claims much of this is occupied by invisible dark matter. Most galaxies are found in groups; very few are found on their own.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.galaxy - a splendid assemblage (especially of famous people)
aggregation, collection, accumulation, assemblage - several things grouped together or considered as a whole
2.galaxy - tufted evergreen perennial herb having spikes of tiny white flowers and glossy green round to heart-shaped leaves that become coppery to maroon or purplish in fall
herb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
genus Galax - evergreen herbs of southeastern United States
3.galaxy - (astronomy) a collection of star systemsgalaxy - (astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust; "`extragalactic nebula' is a former name for `galaxy'"
astronomy, uranology - the branch of physics that studies celestial bodies and the universe as a whole
aggregation, collection, accumulation, assemblage - several things grouped together or considered as a whole
spiral galaxy, spiral nebula - a galaxy having a spiral structure; arms containing younger stars spiral out from old stars at the center
Great Attractor - a massive grouping of galaxies in the direction of Centaurus and Hydra whose gravitational attraction is believed to cause deviations in the paths of other galaxies
Milky Way, Milky Way Galaxy, Milky Way System - the galaxy containing the solar system; consists of millions of stars that can be seen as a diffuse band of light stretching across the night sky
star - (astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior
cosmos, macrocosm, universe, world, existence, creation - everything that exists anywhere; "they study the evolution of the universe"; "the biggest tree in existence"
cosmic dust - clouds of particles or gases occurring throughout interstellar space

galaxy

noun
1. star system, solar system, nebula Astronomers have discovered a distant galaxy.
2. array, gathering, assembly, assemblage a galaxy of famous movie stars
Related words
adjective galactic
Translations
مِجَرَّهمَجموعَة من المَشاهير
galaxieMléčná dráhapřehlídkaspolečnost
galaksestjernerække
galaktika
galaksiLinnunrata
csillagvárosgalaxishírességek
galaksi
glæsilegur hópurvetrarbraut, stjörnuòoka
galaktikaplejada
galaktikaplejāde
melkwegsterrenstelsel
Droga Mlecznagalaktyka
galáxiaVia Láctea
galaxie
galaxia
ozvezdje
galaxVintergatan
galaksigökadaseçkin toplulukyıldız kümesi

galaxy

[ˈgæləksɪ] N (Astron) → galaxia f (fig) → constelación f, pléyade f

galaxy

[ˈgæləksi] ngalaxie f
the Galaxy → la Galaxie

galaxy

n
(Astron) → Milchstraße f, → Sternsystem nt, → Galaxis f (spec); the Galaxydie Milchstraße, die Galaxis (spec)
(fig)Schar f, → Heer nt

galaxy

[ˈgæləksɪ] ngalassia

galaxy

(ˈgӕləksi) plural ˈgalaxies noun
1. a very large group of stars.
2. a large group of famous, impressive etc people, things etc. a galaxy of entertainers; a galaxy of new cars.
the Galaxythe Milky Wayunder milk
References in periodicals archive ?
They are classified as Active Galactic Nuclei (AGN).
Establishing observationally their existence will be a milestone for contemporary astronomy, providing a fundamental missing piece in the puzzle of galaxy formation, piercing through the (hydro)dynamical physical processes shaping dense galactic nuclei from parsec scales down to the event horizon, and probing gravity in extreme conditions.we can both see and listen to mbhbs.
An assistant professor in the Physics Department, Cappelluti is intrigued by the cosmic phenomena of super massive black holes, the nature of dark matter, and active galactic nuclei, which is the very bright light source found at the center of many galaxies.
Seyfert's classic paper, read at a meeting of the American Astronomical Society, launched the close attention being paid today to active galactic nuclei or AGNs.
SMBHs are responsible for one of the most energetic phenomena in the universe, called Active Galactic Nuclei (AGNs).
At a distance of only 13 million light-years, the Circinus Galaxy contains one of the closest and brightest active galactic nuclei.
Astronomers have recently begun to spot filaments backlit from a distance by extremely bright galactic nuclei called quasars.
If obvious tidal features are not easily detectable, it is wise to place constraints on the likelihood of the merger hypothesis as it was done in the pioneering discussions of Ambartsumian in the 1950's and 1960's for analyzing the observational data of eruptive activity of galactic nuclei and energetic nonstationary phenomena in the Universe [2-4].
Peter Barthel, who studies quasars and active galactic nuclei at the Kapteyn Astronomical Institute at the University of Groningen, also claims scenes of penguins cavorting with polar bears, "corrupt nature".
Speakers included the Director, who gave a review of the year and then showed a selection of images from the Section archive, David Aditti on using the f/2 Hyperstar system, Owen Brazell on observing galaxy clusters, Nick Hewitt on active galactic nuclei and Geoffrey Johnstone on astrophotography in the 1980s.
The 89 papers reflect current understanding and ongoing controversy regarding active galactic nuclei (AGN), including the few that are loud in radio frequencies as well as bright in visible light.
Johnson, whose field of study is active galactic nuclei, hopes to create an environment for prospective scientists that is every bit as stimulating as his own.