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nalin [4]
2 years ago
14

Which of the following is used to determine if a star is moving closer to Earth? (2 points)

Biology
2 answers:
aleksklad [387]2 years ago
8 0

Answer:

Doppler shift

Explanation:

Zigmanuir [339]2 years ago
7 0
Doppler shift - if it’s red shift it’s moving away from you. If it’s blue shift it’s moving towards you.
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