Quasar-quasi stellar object facts (brightest object )


What is Quasar

  1. Quasar also known as QSO Quasi-Stellar object is   an extremely luminous active galactic nucleus
  2. Quasars are the furthest object from galaxy that can be seen
  3. Quasars are the brightest object in the universe
  4. Quasars are  believed to be a supermassive black hole rounded by an accretion disk.
  5. Quasar is about two billion time the mass of sun
  6. Quasar is about 0ne billion light year away from Earth
  7. Quasars emit energy of about of trillion volts
  8. Quasars can be regarded as the early stage of black hole
  9. Quasars radiate 1000 time more energy than all the stars in Milky Way put together
  10. The most powerful Quasar have luminosity above 1041 watts
  11. Quasars were fist indentified in 1950 as a source of radio wave  emission of unknown physical origin
  12. From Hubble space Telescope Quasars appear to occur at the center of galaxies
  13. The term quasar was coined by Chinese-born U.s astrophysicist Hong-tee Chius in may 1964
  14. Quasar are believed to be powered by accretion of material into supermassive black hole in the nuclei of distant galaxies
  15. The energy produced by quasars are generated outside the black hole
  16. The huge luminosity of quasars result from the accretion disc of central supermassive black hole
  17. All observed quasars’ spectra have redshifts  between 0.056 and 7.085
  18. Quasars show the location where black holes are growing rapidly
  19. Quasars luminosities are variable, with time scales that range from month to hours
  20. The radiation from quasars are partially non-thermal
  21. Quasars provide some clues as to the end of the Big bang’s re-ionization
  22. Types of Quasar are: Radio-loud quasars, Radio-quiet quasars , Broad absorption-line (BAL) quasars , Type 2 (or Type II) quasars, Red quasars , Optically Violent Variable (OVV) quasars,  and Weak emission line quasars
  23. Quasars are useful reference points in establishing a measurement grid on sky
  24. The observed properties of a Quasars depend on factors like the mass of the black hole, the rate of gas accretion, the orientation of the accretion disk relative to observe, the presence or absence of a jet, and the degree of obscuration by gas and dust within the host galaxy
  25. Quasars are found over a very broad range of distance
  26. It is believed that the activity of black hole is see as Quasars
  27. The luminosity of Quasar is about 4 trillion (4 x 1012) times that of the sun
  28. You can as well add what you know about Quasar, using the comment box.




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