クエーサー

noun

quasar; quasi-stellar object; QSO

Astronomical term for an extremely luminous active galactic nucleus. Used in scientific and educational contexts.

• クエーサーは宇う宙ちゅうで最もっとも明あかるい天てん体たいの一ひとつです。

  Quasars are among the brightest objects in the universe.