quasar

IPA: kwˈeɪzɑr

(astronomy) An extragalactic object, starlike in appearance, that is among the most luminous and (putatively) the most distant objects in the universe.

Examples of "quasar" in Sentences

A quasar is a bright object full of energy powered by a black hole.
A quasar is the heart of a galaxy, consisting of a supermassive black hole.
A quasar is a compact region in the center of a massive galaxy surrounding the central supermassive black hole.
Second, Hanny's Voorwerp was lit up by a powerful beacon of light called a quasar emanating from a supermassive black hole at the center of the galaxy.
Second, Hanny's Voorwerp was lit up by a powerful beacon of light called a quasar, which formed as a byproduct of the harsh conditions created by a supermassive black hole at the center of the galaxy.
Astronomers have discovered the largest and oldest mass of water ever detected in the universe - a gigantic, 12-billion-year-old cloud harboring 140 trillion times more water than all of Earth's oceans combined. supermassive black hole called a quasar located 12 billion light-years from Earth.