BL Lac object

短语

蝎虎座BL型天体

词形变化

BL Lac objects 复数 BL Lac objects

释义与例句

n.
  1. 1.

    a type of active galaxy with an active galactic nucleus (AGN), named after its prototype, BL Lacertae

    蝎虎座BL型天体

    蝎虎BL天体

    天文