BL Lac object

Noun

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

Translations

 * Chinese:
 * Mandarin: 蝎虎座BL型天體, 蠍虎BL天體
 * French:
 * German: BL-Lacertae-Objekt
 * Italian: oggetti BL Lac
 * Japanese: とかげ座BL型天体
 * Portuguese: objeto BL Lac
 * Spanish: objeto BL Lac