Multiple Choice
Which of the following properties are NOT useful in determining the masses of stars in a typical binary system?
A) The period of the orbits of the two stars is not useful.
B) The average separation between the two stars is not useful.
C) The radii of the two stars is not useful.
D) The velocities of the two stars is not useful.
E) All of the above are useful for determining the masses of stars in a binary.
Correct Answer:

Verified
Correct Answer:
Verified
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