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planetesimal

/ˌplæn.ɪˈtes.ɪ.məl/

翻译: 太阳系形成早期存在的微小固体天体,被认为是行星形成的基石。

1 个条目

noun

/ˌplæn.ɪˈtes.ɪ.məl/C2formalscientific
  • zh太阳系形成早期存在的微小固体天体,被认为是行星形成的基石。

A small solid celestial body that is believed to have existed during the early formation of the solar system, often considered a building block of planets.

  1. Small celestial bodyC2formalscientific

    One of many small solid celestial bodies thought to have existed at an early stage in the development of the solar system.

    zh星子

    • Planetesimals collided and merged to form the early planets.
    • The asteroid belt is thought to contain remnants of planetesimals.
    • Scientists study planetesimals to understand the formation of the solar system.
词形
  • planetesimals plural form
  • planetesimals' possessive plural form
  • planetesimal's possessive singular form