Vocab Bloom Hub

nova

/ˈnəʊ.və/

翻译: 一颗恒星在短时间内亮度急剧增加的突发现象,通常是因为它抛射出外层物质形成气壳,使光度暂时大幅上升。

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noun

C1formalcommonscientific/ˈnəʊ.və/

A star that suddenly becomes much brighter by ejecting some of its material in the form of a cloud, temporarily increasing in luminosity.

  • 🇨🇳一颗恒星在短时间内亮度急剧增加的突发现象,通常是因为它抛射出外层物质形成气壳,使光度暂时大幅上升。
  1. Stellar explosion C1 formal scientific

    A star that suddenly becomes much brighter for a short period of time due to a thermonuclear explosion on its surface, ejecting material into space.

    • Astronomers observed a nova in the Andromeda galaxy last night.
    • The sudden brightening of the star indicated it had become a nova.
    • Unlike a supernova, a nova does not destroy the star completely.

    🇨🇳新星

  • novae plural form
  • novas plural form
  • novae's possessive plural form
  • novas' possessive plural form
  • nova's possessive singular form