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How do scientists determine the elements present in different stars
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How do scientists determine the elements present in different stars

User Masinger
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Thus, astronomers can identify what kinds of stuff are in stars from the lines they find in the star's spectrum. This type of study is called spectroscopy. ... From spectral lines astronomers can determine not only the element, but the temperature and density of that element in the star.

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User Manoj Singh
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