BL Lacertae object
BL Lac object\-ˈlak-\
Definition of BL Lacertae object
: a celestial object that is similar to a quasar in the intensity of its radiation and is recognizable by its radio emissions
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Origin and Etymology of bl lacertae object
BL Lacertae, original designation for the first such object to be discovered, from BL, designation for the 89th variable star in a constellation + New Latin Lacertae, genitive of Lacerta, a constellation
First Known Use: 1975
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