Noun(1) a starlike object that may send out radio waves and other forms of energy; many have large red shifts
(1) A powerful young galaxy caught at the edge of the visible universe, a quasar emits the light of tens of normal galaxies, with most of that energy believed to be generated by a supermassive black hole in the quasar 's center.(2) Each distorted multiple image of the quasar represents a different path taken by light through the dimpled space-time surrounding the lens, and some of those paths are longer than others.(3) At those rates, each galaxy could easily have formed the quasar and its black hole power source in just a few hundred million years.(4) Now, of course, I knew that most astronomers think a quasar is a black hole with matter falling into it from an accretion disk, and that for some reason it is ejecting charged particles along its magnetic poles.(5) The fortuitous alignment of a quasar and a distant galaxy has enabled astronomers to unravel the origin and evolution of chemical elements(6) In essence the galaxy is eclipsing the quasar , but paradoxically its gravitational lens effect brightens the light received from the latter.(7) Meanwhile, optical measurements suggest the quasar is a billion times more massive than our sun.(8) Here, you'll find everything from black holes to quasars and moon rockets to space stations.(9) Because all these galaxies, quasars included, have active galactic nuclei, they're called AGNs.(10) Radio astronomers found pulsars, quasars , and massive molecular clouds dotting the celestial landscape.(11) Astronomers believe that quasars are galaxies with very massive black holes in the center.(12) This will enable astronomers to probe the gaseous component of the early Universe to study the first stars, galaxies, and quasars .(13) Out beyond the galaxies, there are celestial objects called quasars , whose light has traveled at least 10 billion years to get here.(14) From here he suggested that in seeing quasars created from the center of galaxies, we are actually looking back in time 6000 years and watching creation as it happens.(15) Rich in objects, from galaxies to quasars to white dwarf stars, this vast data archive will serve as a resource for the entire astronomical community.(16) The astronomers speculate that quasars were ignited as blackholes grew by swallowing large quantities of cold, dense gas.
(1) quasar :: quasar
Different Formsquasar, quasars
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