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metallicity    
金属丰度; 金属特征; 金属性

金属丰度; 金属特徵; 金属性


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  • Metallicity - Wikipedia
    The metallicity of a star is most often expressed in terms of [Fe H], which represents the logarithmic ration of iron to hydrogen relative to the Sun's value
  • Metallicity in Astronomy - Definition Detailed Explanation . . .
    Metallicity in astronomy refers to the abundance of elements heavier than helium in a celestial object, such as a star or a galaxy These “metals” include elements like carbon, oxygen, nitrogen, and iron, which are formed through nuclear fusion processes in stars
  • METALLICITY | definition in the Cambridge English Dictionary
    The greater a star's metallicity, the better its chances to have planets If the metallicity is too low, there is not enough material to build Earth-like planets
  • Metallicity - Wikiwand
    Stars and nebulae with relatively high abundances of heavier elements are called metal-rich in discussions of metallicity, even though many of those elements are called nonmetals in chemistry
  • Metallicity - an overview | ScienceDirect Topics
    Together with the available gas supplies, metallicity and SFR are properties that intrinsically depend on one another As mentioned earlier, most of the heavy elements are produced in short lived massive stars and released after their terminal explosion
  • Astronomy:Metallicity - HandWiki
    In astronomy, metallicity is the abundance of elements present in an object that are heavier than hydrogen and helium
  • Metallicity Definition for Intro to Astronomy | Fiveable
    Metallicity is a measure of the amount of elements heavier than hydrogen and helium present in a star, galaxy, or other astronomical object It is an important parameter that provides insights into the chemical composition and evolution of these celestial bodies
  • Metallicity - Space Wiki
    In astronomy and physical cosmology, the metallicity of an object is the proportion of its matter made up of chemical elements other than hydrogen and helium (This terminology is in disaccord what chemistry regards as metals)
  • Stellar Metallicity - Definition Detailed Explanation - Astronomical . . .
    Stellar metallicity refers to the abundance of elements heavier than helium in a star’s atmosphere These elements, such as carbon, oxygen, and iron, are created through nuclear fusion processes within stars or during supernova explosions
  • Metallicity: Astrophysics II Study Guide | Fiveable
    Metallicity refers to the abundance of elements heavier than hydrogen and helium in a star or astronomical object This concept is crucial for understanding the composition and evolution of stars, as well as the chemical enrichment of the universe over time





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