Stars X and Y Are 5 AU Apart from Each

question 15

Multiple Choice

Stars X and Y are 5 AU apart from each other.Star X is 4 times as massive as star Y.The center of mass of this system is __________ AU away from star X and __________ AU away from star Y.

• A) 1;4
• B) 2;3
• C) 3;2
• D) 4;1

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Definitions:

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