quasar Definition
a massive and extremely remote celestial object, emitting exceptionally large amounts of energy, and typically having a starlike image in a telescope. It is thought to be powered by a black hole at the center of a galaxy.
Using quasar: Examples
Take a moment to familiarize yourself with how "quasar" can be used in various situations through the following examples!
Example
Quasars are among the brightest objects in the universe.
Example
The discovery of quasars revolutionized our understanding of the cosmos.
Example
Quasars are believed to be powered by supermassive black holes at the centers of galaxies.
quasar Synonyms and Antonyms
Synonyms for quasar
- active galactic nucleus
- AGN
Phrases with quasar
radio-loud quasar
a type of quasar that emits large amounts of radio waves
Example
The radio-loud quasar was discovered using radio telescopes.
a type of quasar that exhibits rapid and unpredictable changes in brightness
Example
The optically violent variable quasar was first identified in the 1980s.
blazar
a type of quasar with a jet of particles pointing towards Earth
Example
The blazar emits high-energy gamma rays and is one of the most luminous objects in the universe.
Summary: quasar in Brief
A 'quasar' [ˈkweɪzɑː] is a massive and remote celestial object that emits large amounts of energy, often appearing as a star-like image in a telescope. It is believed to be powered by a black hole at the center of a galaxy. Quasars come in different types, such as 'radio-loud quasar,' 'optically violent variable quasar,' and 'blazar.'