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What features signifies to astronomers that a distant star is part of a planetary system A) the star periodically dims B) the star expands into a red giant C)the star moves through the sky D) the star
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What features signifies to astronomers that a distant star is part of a planetary system

A) the star periodically dims

B) the star expands into a red giant

C)the star moves through the sky

D) the star continuously gets brighter

User Mishbah
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2 Answers

4 votes
I believe the answer is A bit I’m not 100% sure
User JCx
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6 votes

Answer:

A) the star periodically dims

Step-by-step explanation:

User Mahesh Karia
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