Biology, 27.05.2021 20:20 Travon7956

The spectrum of a distant star contains sodium lines that are offset from their normal position, as shown. What is the most likely explanation? A. The star is relatively hot.
B. The star is relatively cool.
C. The star is moving rapidly toward us.
D. The star is moving rapidly away from us.

The spectrum of a distant star contains sodium lines that are offset from their normal position, as

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The spectrum of a distant star contains sodium lines that are offset from their normal position, as...