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nebulae    
n.
pl. 星云

星云


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  • Nebula - Wikipedia
    Before their nature was understood, galaxies ("spiral nebulae") and star clusters too distant to be resolved as stars were also classified as nebulae, but no longer are
  • What Is a Nebula? | NASA Space Place – NASA Science for Kids
    Where are nebulae? Nebulae exist in the space between the stars—also known as interstellar space The closest known nebula to Earth is called the Helix Nebula It is the remnant of a dying star—possibly one like the Sun It is approximately 700 light-years away from Earth
  • nebulae - 搜索 词典
    2 Explanation: One of the most identifiable nebulae in the sky, the Horsehead Nebula in Orion, is part of a large, dark, molecular cloud 解说： 这 是 天空 中 最 易 辨认 的 星云 之一。 猎户 中 的 马头 星云 是 一个 巨大 的 黑暗 分子 云 的 一部分。
  • Nebula | Definition, Types, Size, Facts | Britannica
    On the basis of appearance, nebulae can be divided into two broad classes: dark nebulae and bright nebulae Dark nebulae appear as irregularly shaped black patches in the sky and blot out the light of the stars that lie beyond them
  • Nebula – Definition, Examples, Types, Facts
    Learn about a nebula in astronomy Discover what a nebula is, types of nebulae, and their role in a star's life cycle
  • What is a Nebula? Nebula: Definition, Location and Variants | Space
    Stars are born in dense clumps of gas, dust, and other material inside diffuse emission nebulae, also frequently referred to as "stellar nurseries"
  • Nebulae: What Are They And Where Do They Come From?
    Named after the Latin word for "cloud", nebulae are not only massive clouds of dust, hydrogen and helium gas, and plasma; they are also often "stellar nurseries" - i e the place where stars are
  • Nebula - ESA Hubble
    Nebulae are often formed from the remnants of dying stars: from planetary nebulae or the dispersed debris from supernova explosions They are also often regions of intense star formation, as the rich reservoirs of dust and gas provide the necessary raw material from which new stars are born
  • What is a nebula? Cosmic clouds and how to see them
    Nebulae can vary hugely depending on how they were created, but many of the clouds are strongly related to the lifecycles of stars Some are created when a star dies; others allow them to be born
  • What Is a Nebula? Types, Sizes and Origin - Orbital Today
    Nebulae not only create a stunning spectacle in the night sky but also play a key role in the life cycle of stars and the evolution of galaxies In this article, we will discuss what is a nebula, describe their types and everything related to them





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