quasar

IPA/ˈkweɪzɑː(r)/
KK[kwˈezɑr]IPA/ˈkweɪzɑːr/

quasar — noun

  • quasarsingular
  • quasarsplural

1. an intensely bright object at the core of a distant galaxy, powered by a superma

1.名詞C2
釋義

an intensely bright object at the core of a distant galaxy, powered by a supermassive black hole and giving off enormous amounts of energy, including radio waves and visible light

例句

Dewi learned that a single quasar can outshine its entire host galaxy.

quasar can outshine entire galaxy

The team detected a quasar more than twelve billion light-years from Earth.

同義詞
  • quasi-stellar object

    the formal, full name from which 'quasar' is shortened; used mainly in older scientific writing

  • active galactic nucleus

    a broader category; quasars are the most luminous type, but not all active galactic nuclei are quasars