V2EX corona

Corona

释义 Definition

corona(名词)常见含义有:

  1. 冠状物;花冠;光环(像“王冠/花环”一样围成一圈的东西)
  2. 日冕:太阳最外层稀薄而高温的等离子体大气,在日食时更容易看见
    (在解剖/生物学中也可指某些“冠状结构”;在口语中有时也被用来指“冠状病毒/新冠相关”,但更正式的说法是 coronavirus。)

发音 Pronunciation

/kro.n/ (AmE), /kr.n/ (BrE)

例句 Examples

During the eclipse, we could see the sun’s corona.
日食期间,我们能看到太阳的日冕。

The researcher noted that activity in the corona can drive space weather, sometimes interfering with satellites and radio signals.
研究人员指出,日冕中的活动会引发空间天气,有时会干扰卫星和无线电信号。

词源 Etymology

corona 来自拉丁语 corona,原意是“王冠、花环”。因为日冕在日食时呈现出“环状光冠”的视觉效果,这个词被借用到天文学中,用来指太阳外层发光的“冠”。

相关词 Related Words

文学作品 Literary Works

  • Paul Celan(保罗策兰),诗作 《Corona》(常见英译亦保留标题 Corona)。
  • 天文科普与写作中常见该词用于“日冕”之义,例如 Carl Sagan(卡尔萨根)的科普写作中常会讨论太阳及其 corona(日冕)等概念。
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