Metallicity
In astronomy and physical cosmology, the metallicity or Z is the fraction of mass of a star or other kind of astronomical object that is not in hydrogen (X) or helium (Y). Most of the physical matter in the universe is in the form of hydrogen and helium, so astronomers use the word "metals" as a convenient short term for "all elements except hydrogen and helium". This usage is distinct from the usual physical definition of a solid metal. The rationale for the astronomical usage is that in the high-temperature and pressure environment of a star, atoms do not undergo chemical reactions and effectively have no chemical properties, including that of being a metal as usually understood. For example, stars and nebulae with relatively high abundances of carbon, nitrogen, oxygen, and neon are call
Wikipage disambiguates
Fe/HHigh-metalHyperstarLow-metalLow metal starLow metallicity starMetal-freeMetal-lessMetal-poorMetal-poor starMetal-richMetal (astronomy)Metal free starMetalicityMetals (astronomy)Normal starPopulation 0Population 1 starPopulation 3 starsPopulation I and IIPopulation IiPopulations I and IIStar populationStellar metalicityStellar metallicitySun Metallicity⟦Fe/H⟧［Fe/H］［M/H］
Wikipage redirect
label
seeAlso
primaryTopic
Metallicity
In astronomy and physical cosmology, the metallicity or Z is the fraction of mass of a star or other kind of astronomical object that is not in hydrogen (X) or helium (Y). Most of the physical matter in the universe is in the form of hydrogen and helium, so astronomers use the word "metals" as a convenient short term for "all elements except hydrogen and helium". This usage is distinct from the usual physical definition of a solid metal. The rationale for the astronomical usage is that in the high-temperature and pressure environment of a star, atoms do not undergo chemical reactions and effectively have no chemical properties, including that of being a metal as usually understood. For example, stars and nebulae with relatively high abundances of carbon, nitrogen, oxygen, and neon are call
has abstract
De term metaal wordt in de ast ...... a de helft voor zijn rekening.
@nl
Die Metallizität, d. h. die Me ...... ner Kernladungszahl von sechs.
@de
Em astronomia e cosmologia fís ...... mais jovens, como o nosso Sol.
@pt
En astrophysique, un élément l ...... viron des atomes de l'Univers.
@fr
In astronomia, la metallicità ...... efiniti in astronomia metalli.
@it
In astronomy and physical cosm ...... stars created in the universe.
@en
La metalicidad, también llamad ...... a abundancia diez veces mayor.
@es
Metaliczność – zawartość pierw ...... lędem ich zawartości w Słońcu.
@pl
Металли́чность (в астрофизике) ...... делённые термоядерные реакции.
@ru
المعدنية في الفلك (بالإنجليزية ...... ه نجوم حديثة النشأة مثل الشمس.
@ar
Wikipage page ID
Wikipage revision ID
742,366,058
hypernym
comment
De term metaal wordt in de ast ...... menten waren er toen nog niet.
@nl
Die Metallizität, d. h. die Me ...... ner Kernladungszahl von sechs.
@de
Em astronomia e cosmologia fís ...... ssíveis nas camadas externas d
@pt
En astrophysique, un élément l ...... viron des atomes de l'Univers.
@fr
In astronomia, la metallicità ...... efiniti in astronomia metalli.
@it
In astronomy and physical cosm ...... gen, oxygen, and neon are call
@en
La metalicidad, también llamad ...... ce de metalicidad del Sol será
@es
Metaliczność – zawartość pierw ...... lędem ich zawartości w Słońcu.
@pl
Металли́чность (в астрофизике) ...... только величину [Fe/H]: Здесь
@ru
المعدنية في الفلك (بالإنجليزية ...... رض على الحالات في باطن النجوم.
@ar
label
Metaal (astronomie)
@nl
Metalicidad
@es
Metalicidade
@pt
Metaliczność
@pl
Metallicity
@en
Metallicità
@it
Metallizität
@de
Métallicité
@fr
Металличность
@ru
معدنية (فلك)
@ar
