quasar | quasi-stellar object (QSO) | quasi-star a compact source of light and other radiation which can look like a star but has some of the properties of galaxies, including a large red-shift.Some astronomers consider some or all of the red-shift of certain quasars to be the result of some other phenomenon besides the expansion of the universe
quasar: tend actuellement à désigner tout objet d'apparence stellaire dont le spectre présente un fort décalage vers le rouge
