noun
- extremely bright and distant celestial objects that emit intense radiation and are believed to be powered by supermassive black holes
Usage: astronomy; plural of quasar
Examples
- Astronomers discovered several new quasars in the distant universe.
- Quasars are among the most luminous objects in the cosmos.
- The light from these quasars traveled billions of years to reach Earth.
- Scientists study quasars to understand the early universe.
- The telescope detected radio waves emitted by distant quasars.
- Quasars help researchers map the structure of space and time.