Multiple Choice
To determine the sum of the masses of a visual binary star system,we need to measure for the system the
A) temperatures and periods of the stars.
B) distance from us and the semimajor axis of the orbit of one star relative to the other.
C) period and the semimajor axis.
D) temperatures and the distance from us.
Correct Answer:

Verified
Correct Answer:
Verified
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