Definition of blazar in English:

blazar

noun 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:

blazar

nounˈblāˌzärˈbleɪˌzɑr

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.

单词	blazar
释义	Definition of blazar in English: blazar noun 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: blazar nounˈblāˌzärˈbleɪˌzɑr 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.
随便看	settle up with settling settling down settling in settling nothing settlings settlingss settling time settling (up) settling up settlor settlors set to set-to set to set to set-top set-top box set-top boxes set to rights set-tos set to work set to work set to work on setts