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    Discovering the Essential Universe
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    Exam 10: Characterizing Stars
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    A Particular Star in a Binary Star System Orbits the Other
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A Particular Star in a Binary Star System Orbits the Other

Question 261

Question 261

Multiple Choice

A particular star in a binary star system orbits the other in an elliptical orbit with a semimajor axis of 3 AU and a period of 5 years.What is the sum of the masses of the two stars in the system?


A) 0.9
B) 1.1
C) 13.9
D) 0.07

Correct Answer:

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