A visual binary system has an observed period of 5 years and a semi-major axis of 10 AU.What is the sum of the masses of the two stars?
A) 10 solar masses
B) 5 solar masses
C) 100 solar masses
D) 40 solar masses
Correct Answer:
Verified
Q2: A light curve is a plot showing
A)Luminosity
Q3: Which type of binary star is revealed
Q4: Our determination of stellar masses comes from
A)Observations
Q5: What information about a binary star system
Q6: If the mass-losing star in a close
Q7: The explosive burning of hydrogen on the
Q8: What property of a star can almost
Q9: Under what conditions is it possible for
Q10: A type Ia supernova is caused by
A)The
Q11: What percentage of stars are members of
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