BACK TO quasar

quasar vs. pulsar

[ kwey-zahr, -zer, -sahr, -ser ]
noun
  1. one of over a thousand known extragalactic objects, starlike in appearance and having spectra with characteristically large redshifts, that are thought to be the most distant and most luminous objects in the universe.
[ puhl-sahr ]
noun
  1. one of several hundred known celestial objects, generally believed to be rapidly rotating neutron stars, that emit pulses of radiation, especially radio waves, with a high degree of regularity.

Compare More Commonly Confused Words