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Which of the Following Pieces of Information Are Needed to Calculate

Question 103

Multiple Choice

Which of the following pieces of information are needed to calculate the total mass of a binary system?


A) the ratio of the angular separation from the centre of mass of each of the stars
B) the semi major axis and period of the orbit
C) the radial velocities of the two stars
D) the time required for the small star to eclipse the larger star

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