V2EX magnetar

Magnetar

定义 Definition

magnetar磁星;一种具有极强磁场的中子星,常与强烈的高能辐射(如X射线、伽马射线爆发/耀发)相关。(该词也可在科普语境中泛指“超强磁场的致密天体”。)

发音 Pronunciation

/mntr/

例句 Examples

A magnetar has an extremely powerful magnetic field.
磁星拥有极其强大的磁场。

Astronomers detected a sudden X-ray flare that may have come from a distant magnetar.
天文学家探测到一次突然的X射线耀发,可能来自一颗遥远的磁星。

词源 Etymology

magnetar 是由 magnet(磁铁/磁的)与表示天体的后缀化形式(类比 pulsar“脉冲星”、quasar“类星体”的构词方式)组合而成,用来强调这种中子星“以超强磁场为显著特征”。该术语在现代天体物理与科普写作中逐渐普及。

相关词 Related Words

文学与作品 Notable Works

  • 《A Brief History of Time》(Stephen Hawking)书中讨论致密天体与极端物理现象的语境里,相关版本/延伸读物与科普材料常提及 magnetar
  • 《Cosmos》(Carl Sagan;以及后续相关科普作品与同名系列的延展读物)在介绍恒星演化、超新星与中子星等主题时,常见对 magnetar 的提及与解释。
  • 《The Science of Interstellar》(Kip Thorne)围绕强引力与高能天体的科普讨论中,可能出现 magnetar 等极端天体术语。
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