Markarian 231 is more than just a bright light; it is a chaotic environment undergoing a major evolutionary transition. It has a redshift of
Yet, "quieter" does not mean quiet. In 2020, scientists observed Centaurus A emitting a flare of gamma rays so powerful that it briefly turned the galaxy into one of the brightest objects in the high-energy gamma-ray sky. This variability is a hallmark of quasar activity. Furthermore, the Event Horizon Telescope—famous for imaging the black hole in M87—has successfully imaged the relativistic jet of Centaurus A at sub-light-day scales, confirming that its core behaves identically to its distant, more luminous cousins. nearest quasar to earth
| Aspect | Rating | Explanation | | :--- | :--- | :--- | | | High | 3C 273 is the most correct answer for a classical quasar. | | Clarity | Medium | Results often fail to explain Markarian 231, which is much closer but messier to classify. | | Context | Low | Most results don't explain that "quasar" is an activity state, not just an object type, leading to confusion about why our own galaxy's black hole isn't counted. | Markarian 231 is more than just a bright
In recent years, professional astronomers have identified quasars that are closer than 3C 273 but lack the historical fame. This variability is a hallmark of quasar activity
: Data from the NASA Hubble Space Telescope suggests that the brilliant glow of Mrk 231 isn't powered by just one supermassive black hole, but two. These two behemoths are locked in a frantic orbital dance, likely the result of two galaxies merging together.
: If you’re looking for its neighborhood, Mrk 231 resides in the constellation Ursa Major , also known as the Great Bear. Why Aren't There Quasars Closer?