单词 | blazar |
释义 | blazar/ˈbleɪzɑː /noun Astronomy A type of quasar that is an intense, irregularly variable source of highly polarized light, thought to arise from a plasma jet pointing in the direction of the earth: at the blazar’s heart is a supersized black hole with a mass millions to billions of times that of the sun...
Origin1980s: from blaze1, on the pattern of quasar, with bl- echoing the name BL Lac object. |
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