pulsar
pulsar — 名詞
- pulsarsingular
- pulsarsplural
1. a dense, fast-spinning star in space that gives out regular pulses of radio wave
脈衝星
快速旋轉並規律發出輻射的中子星
a dense, fast-spinning star in space that gives out regular pulses of radio waves or other radiation at very short, constant intervals
Dr. Chen detected a new pulsar while scanning the outer regions of the Milky Way.
Dr. Chen 在掃描銀河系外圍區域時發現了一顆新的脈衝星。
detect + a pulsar (discovery context)
The research team at the observatory monitors three pulsars every night to study their signals.
天文台的研究團隊每晚監測三顆脈衝星，以研究它們發出的訊號。
monitor + a pulsar (observation context)
A pulsar emits radio waves at such precise intervals that astronomers use them as cosmic clocks.
脈衝星發出的無線電波間隔極為精準，天文學家因此將它們當作宇宙時鐘使用。
The Crab Nebula pulsar flashes about thirty times per second and is visible through a large radio telescope.
蟹狀星雲脈衝星每秒閃爍約三十次，可以透過大型電波望遠鏡觀測到。
A retired astronomer spends his weekends studying pulsar data from an online archive.
一位退休的天文學家利用週末時間，在線上資料庫研究脈衝星的數據。
- neutron star
a broader category; all pulsars are neutron stars, but not all neutron stars are pulsars
文法句型
pulsar + verb (emits, sends, flashes)
discover/detect/observe + a pulsar
用法筆記
Frequently appears in astronomical research contexts alongside terms like neutron star, radio telescope, and electromagnetic radiation.