BL Lacertae object 蝎虎天体
radio selected BL Lacertae objects 射电选BLLac天体
X-ray selected BL Lacertae objects X射线选BLLac天体
galaxies-BL Lacertae objects-general 星系
·2,447,543篇论文数据，部分数据来源于NoteExpress
Using an array of 10 powerful radio telescopes, aimed at the galaxy BL Lacertae, the researchers studied a black hole just as it was sending forth a blazar jet.
BBC: Black holes reveal more secrets
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