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Quasar
Un quasar est un trou noir supermassif au centre d'une région extrêmement lumineuse. Les quasars sont les entités les plus lumineuses de l'Univers. Wikipédia
Un quasar (source de rayonnement quasi-stellaire, quasi-stellar radiosource en anglais, ou plus récemment « source de rayonnement astronomique ...
A quasar is an extremely luminous active galactic nucleus (AGN). It is sometimes known as a quasi-stellar object, abbreviated QSO. The emission from an AGN ...
Autres questions
Est-ce qu'un quasar est un trou noir ?
Où se trouvent les quasars ?
Quel est le plus grand quasar ?
Comment fonctionne un quasar ?
Quasars are cores of galaxies where a supermassive black hole is messily feeding. Orbiting gas and dust whip around the black hole with such ferocity that ...
19 oct. 2023 · Quasars are the blazing centers of active galaxies and are powered by a supermassive black hole feeding on humungous quantities of gas.
21 août 2024 · Quasar, an astronomical object of very high luminosity found in the centres of some galaxies and powered by gas spiraling at high velocity ...
It appears galaxies may only act as quasars during the early stages of their lives, but it would still be for times of billions of years.
A quasar is an extremely active and luminous type of active galactic nucleus (AGN). All quasars are AGNs, but not all AGNs are quasars.
6 mai 2024 · MIT astronomers have observed the elusive starlight surrounding some of the earliest quasars in the universe.
Before Hubble, quasars were considered to be isolated star-like objects of a mysterious nature. Hubble has observed several quasars and found that they all ...
These black holes include the some of the brightest single objects in the whole universe, and are called “quasars”, “active galactic nuclei”, and other names ...