A quasar or quasi-stellar object is an active galactic nucleus that appears star like in appearance because of the extreme distance. In 3C 249.1 case, the light from there took 3.9 billion years to reach us from our point of view.
A quasar or quasi-stellar object is an active galactic nucleus that appears star like in appearance because of the extreme distance. In 3C 249.1 case, the light from there took 3.9 billion years to reach us from our point of view.