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Scientists study the dark lines in a star's spectrum to identify _____.

the star's name
the age of the star
the star's origin
elements in the star

Respuesta :

jnessacole6

Answer:

the star's origin (i think)

Explanation:
Elements in the star,
but 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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