pulsar

大学 FREQ #34824

n. 脉冲星

发音

US

词形变化

pulsars 复数 pulsars

别名

PSR

教材释义与例句

名词

脉冲星

释义与例句

n.
  1. 1.

    A rotating neutron star that emits radio pulses periodically.

    脉冲星

    天文

词汇关系

名词

上位词 1

neutron star

相关短语

pulsar clock pulsar clocks pulsar wind nebula pulsar wind nebulas binary pulsar double pulsar X-ray pulsar accretion-powered pulsar gamma pulsar millisecond pulsar optical pulsar rotation-powered pulsar

词源

Blend of pulsating + (radio) star, patterned after quasar. Coined by British astronomers Antony Hewish and Jocelyn Bell in 1968, and first used in print in The Daily Telegraph. By surface analysis, pulse + -ar

来源：wiktionary