Nearest Quasar [exclusive] 💎 🆒

| Object | Type | Distance | Notes | |--------|------|----------|-------| | | Quasar | 581 million ly | True quasar; hosts powerful, persistent accretion disk & outflows | | 3C 273 | Quasar | 2.4 billion ly | Brighter and more famous, but not nearest | | Sagittarius A * | Supermassive black hole | 26,000 ly | Our galaxy's center; not a quasar (extremely low luminosity today) | | Centaurus A | Radio galaxy / AGN | 10–16 million ly | Nearest powerful AGN, but not a quasar (jet-dominated, nucleus obscured) |

Quasar Host Galaxy Markarian 231. This Hubble Space Telescope image reveals a bright starlike glow in the center of the interactin... NASA Science (.gov) Where is the nearest quasar? | Homework.Study.com Answer and Explanation: The nearest quasar is located 600 million light-years away from Earth. It is found at the core of the Mrk ... Homework.Study.com Quasar - Wikipedia "Quasi-stellar object" redirects here; not to be confused with Quasi-star or Quaoar. * A quasar (/ˈkweɪzɑːr/ KWAY-zar) is an extre... Wikipedia Quasars: Brightest Objects in the Universe - Space 19 Oct 2023 —

The nearest quasar is a topic of significant interest in astrophysics, as quasars are among the brightest and most distant objects in the universe. A quasar (Quasi-Stellar Radio Source) is an incredibly luminous object thought to be a distant galaxy with a supermassive black hole at its center. This black hole is actively accreting material, which heats up and releases enormous amounts of energy across the electromagnetic spectrum, making quasars visible from vast distances.

: Despite its distance, it is one of the most energetic objects in our local universe. Quasars like this can outshine their entire host galaxy, emitting light across the entire electromagnetic spectrum. Why the "Nearest Quasar" Matters

Quasars were first discovered in the 1950s as sources of radio waves that were not associated with any known objects. Later observations showed that these objects were incredibly distant galaxies, with the light we see from them today having been emitted billions of years ago. The supermassive black holes at the centers of these galaxies are actively growing, and it is this growth process that makes quasars so luminous.

Mrk 231 is not just a point source; it lies at the center of a disturbed, colliding spiral galaxy. The host galaxy is a well-known , meaning it emits most of its energy in the far-infrared, not visible light. This infrared emission is caused by intense starburst activity and dust heated by the quasar.