blazar
耀类星体
发音
US
/ˈbleɪ.zɑɹ/
词形变化
blazars
复数
blazars
释义与例句
n.
-
1.
A very compact quasar, associated with a supermassive black hole at the center of an active galaxy.
天文 -
2.
An object which is either an optically violent variable quasar (OVV quasar) or a BL Lac object or which has properties of both.
天文
词源
Blend of B + L + Lac + quasar. Coined by astronomer Edward Spiegel in 1978 from BL Lac object and quasar, punning blazing from its optical presentation compared to usual quasars. By surface analysis, blaze + -ar.
来源:wiktionary