circumstellar disk中文，circumstellar disk的意思，circumstellar disk翻译及用法

2025-09-06 18:56 浏览次数 5

circumstellar disk

A circumstellar disk is a torus, pancake or ring-shaped accumulation of matter composed of gas, dust, planetesimals, asteroids or collision fragments in orbit around a star. Around the youngest stars, they are the reservoirs of material out of which planets may form.

circumstellar disk 英语释义

英语释义

    1. a ring of gaseous matter surrounding a star
    For the next several million years, this brand new solar system retains its circumstellar disk, where planets slowly accumulate into alien worlds.
    — Fred Adams and Gregory Laughlin, The Five Ages of the Universe, 1999 As angular resolution improved and it became possible to observe young stars at infrared (IR) wavelengths, the jets were seen to emerge along the polar axes of structures called circumstellar disks that consist of gas and dust orbiting the stars in relatively thin planes.
    — C. Robert O’Dell et al., Science, 30 May 1997 — compare accretion disk

circumstellar disk 例句

英汉例句

  • They 「clearly show that at least some massive stars grow by accreting material from a circumstellar disk of gas and dust, just like our sun did roughly 4.5 billion years ago.」

    它们‘清楚地显示了至少一些巨型恒星由环绕的碟状气体和尘埃凝聚而成，就如我们的太阳在45亿年前一样。’

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