- extragalactic
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adjective
Etymology: International Scientific Vocabulary
Date: 1851
originating or existing outside the Milky Way galaxy; also of or relating to extragalactic space <extragalactic astronomy>
New Collegiate Dictionary. 2001.
extragalactic
Look at other dictionaries:
extragalactic — EXTRAGALÁCTIC, Ă, extragalactici, ce, adj. Care se află în afara galaxiei noastre. – Din fr. extragalactique, engl. extragalactic. Trimis de ana zecheru, 11.06.2004. Sursa: DEX 98 extragaláctic adj. → galactic Trimis de siveco, 13.09.2007.… … Dicționar Român
extragalactic — [eks΄trə gə lak′tik] adj. outside or beyond our own galaxy … English World dictionary
extragalactic — adjective a) Originating outside of the Milky Way galaxy. Extragalactic astronomy is the study of things outside the Milky Way b) Originating outside of a galaxy See Also: extrasolar, extraplanetary, extraterrestrial … Wiktionary
Extragalactic cosmic ray — Extragalactic cosmic rays are very high energy particles that flow into our solar system from beyond our galaxy. The energies these particles possess are in excess of 1015 eV. Origin Unlike solar or galactic cosmic rays, little is known about the … Wikipedia
Extragalactic astronomy — is the branch of astronomy concerned with objects outside our own Milky Way Galaxy (the study of all astronomical objects which are not covered by galactic astronomy). Extragalactic astronomy is that branch of astronomy which deals with the study … Wikipedia
Extragalactic distance scale — The extragalactic distance scale is a series of techniques used today by astronomers to determine the distance of cosmological bodies (beyond our own galaxy) not easily obtained with traditional methods. Some procedures utilize properties of… … Wikipedia
Extragalactic background light — The Extragalactic Background Light (EBL) or simply the extragalactic background (EGB)is the faint diffuse light of the night sky, consisting of the combined flux of all extragalactic sources. Its main significance for astronomers is that it… … Wikipedia
extragalactic nebula — noun (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 • Syn: ↑galaxy • Derivationally related forms: ↑galactic (for: ↑gal … Useful english dictionary
extragalactic — /ek streuh geuh lak tik/, adj. outside the Milky Way system. [1850 55; EXTRA + GALACTIC] * * * … Universalium
extragalactic — adj. outside of a galaxy … English contemporary dictionary
