Astronomers have detected an intensely brightening and dimming quasar that may help explain how some objects in the early universe grew at a highly accelerated rate. The discovery is the most distant ...
He likes to deprecate his own achievements, but his colleagues agree that no man has contributed more to the study of the puzzling quasars that dot the universe. Dim Stars. Confusion about quasars ...
The time dilation of the cosmos was gleaned from studies of 190 quasars, very bright supermassive black holes seen at the center of galaxies in the distant—and, therefore, ancient—universe.
Black holes are just one of myriad marvels in outer space. In this feature, learn the difference between pulsars and quasars, antimatter and dark matter, brown dwarfs and white dwarfs, and many ...