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Metallicity | |
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About 7 pages (1,982 words) in 2 products |
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Encyclopedia and Summary Information
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 Metallicity Information
1,815 words, approx. 6 pages
 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 used differently from the usual meaning of the word 'metal', since on the... 
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Metallicity | |
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About 7 pages (1,982 words) in 2 products |
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