Astronomers use spectrographs to collect light waves from stars in order to study characteristics of stars. What information can astronomers determine by studying a star's spectrograph? A-chemical composition,

asked Jun 8, 2022 234k views

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3 votes

The answer is definitely a

Wouterds answered Jun 11, 2022

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4 votes

I think it’s A or B

Nusrat answered Jun 13, 2022

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