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  1. Un cuásar [1] [2] o quasar [3] [4] (acrónimo de «fuente de radio cuasiestelar», traducción del inglés quasi-stellar radio source) se define como, bien una galaxia recién nacida o bien aquella fuente de energía que se presenta en el agujero negro del centro de dichas galaxias recién nacidas, caracterizados por ser una fuente ...

  2. en.wikipedia.org › wiki › QuasarQuasar - Wikipedia

    A quasar (/ ˈ k w eɪ z ɑːr / KWAY-zar) is an extremely luminous active galactic nucleus (AGN). It is sometimes known as a quasi-stellar object, abbreviated QSO. The emission from an AGN is powered by a supermassive black hole with a mass ranging from millions to tens of billions of solar masses, surrounded by a gaseous accretion ...

  3. fr.wikipedia.org › wiki › QuasarQuasar — Wikipédia

    Un quasar (source de rayonnement quasi-stellaire, quasi-stellar radiosource en anglais, ou plus récemment « source de rayonnement astronomique quasi-stellaire », quasi-stellar astronomical radiosource) est un trou noir supermassif au centre d'une région extrêmement lumineuse (noyau actif de galaxie).

  4. 9 de mar. de 2015 · Los quásares emiten energías de hasta billones de voltios, más que toda la luz combinada de todas las estrellas de una galaxia, son los objetos más brillantes del universo y pueden brillar de 10 a 100.000 veces más que la Vía Láctea.

  5. 13 de may. de 2024 · quasar, an astronomical object of very high luminosity found in the centres of some galaxies and powered by gas spiraling at high velocity into an extremely large black hole. The brightest quasars can outshine all of the star s in the galaxies in which they reside, which makes them visible even at distances of billions of light-year s.

  6. Quasar is an American brand of electronics, first used by Motorola in 1967 for a model line of transistorized color televisions. These TVs were marketed as containing all serviceable parts in a drawer beside the picture tube. It was then established as a subsidiary brand, with all Motorola-manufactured televisions being sold as Quasar by Motorola.