| 释义 |
Definition of blazar in English: blazarnoun ˈbleɪzɑːˈbleɪˌzɑr 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 Example sentencesExamples - To match the amount of energy given off by a typical blazar in one second, the sun must shine for 317,000 years.
- In early April, the blazar Markarian 421 had an episode of extreme activity, brightening by more than 50 times its typical level.
- These blazars emit gamma rays, but not all of them reach Earth.
- In this study, the researchers focused on distinctive galaxies called blazars, which are several billion light years away.
- What makes a blazar so bright is that one of these particle jets happens to be aimed almost straight at us.
Origin 1980s: from blaze1, on the pattern of quasar, with bl- echoing the name BL Lac object. Definition of blazar in US English: blazarnounˈblāˌzärˈbleɪˌzɑr 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 Example sentencesExamples - What makes a blazar so bright is that one of these particle jets happens to be aimed almost straight at us.
- In early April, the blazar Markarian 421 had an episode of extreme activity, brightening by more than 50 times its typical level.
- To match the amount of energy given off by a typical blazar in one second, the sun must shine for 317,000 years.
- These blazars emit gamma rays, but not all of them reach Earth.
- In this study, the researchers focused on distinctive galaxies called blazars, which are several billion light years away.
Origin 1980s: from blaze, on the pattern of quasar, with bl- echoing the name BL Lac object. |