Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A compact, extremely bright celestial object whose power output can be hundreds to several thousand times that of the entire Milky Way galaxy. Quasars are among the most distant objects in the universe and are generally considered to be a form of active galactic nucleus.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun astronomy An
extragalactic object,starlike in appearance, that is among the mostluminous and thought to be the most distant objects in theuniverse .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a starlike object that may send out radio waves and other forms of energy; many have large red shifts
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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A quasar is a bright object full of energy powered by a black hole.
Hubble Snaps Image Of 'Strangely Alive' Space Oddity AP 2011
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A quasar is a compact region in the center of a massive galaxy surrounding the central supermassive black hole.
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Second, Hanny's Voorwerp was lit up by a powerful beacon of light called a quasar, which formed as a byproduct of the harsh conditions created by a supermassive black hole at the center of the galaxy.
NPR Topics: News 2011
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Second, Hanny's Voorwerp was lit up by a powerful beacon of light called a quasar emanating from a supermassive black hole at the center of the galaxy.
NPR Topics: News 2011
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A quasar is a bright object full of energy powered by a black hole.
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Astronomers have discovered the largest and oldest mass of water ever detected in the universe - a gigantic, 12-billion-year-old cloud harboring 140 trillion times more water than all of Earth's oceans combined. supermassive black hole called a quasar located 12 billion light-years from Earth.
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A quasar is a bright object full of energy powered by a black hole.
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A quasar is the heart of a galaxy, consisting of a supermassive black hole.
PhysOrg.com - latest science and technology news stories 2010
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A quasar is the heart of a galaxy, consisting of a supermassive black hole.
PhysOrg.com - latest science and technology news stories 2010
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A quasar is the heart of a galaxy, consisting of a supermassive black hole.
PhysOrg.com - latest science and technology news stories 2010
hernesheir commented on the word quasar
A strain of medical marijuana.
January 15, 2010