Multiple Choice
Consider two binary star systems,A and B,in which the distance between the stars is the same.If the total mass of the stars in system A is greater than the total mass of the stars in system B,which of following can you conclude?
A) The primary in A is closer to the centre of mass than the primary in B.
B) The primary in A is farther from the centre of mass than the primary in B.
C) The orbital period of the stars in A is shorter than the orbital period of the stars in B.
D) The orbital period of the stars in A is longer than the orbital period of the stars in B.
Correct Answer:

Verified
Correct Answer:
Verified
Q14: The densest stars in the H-R diagram
Q71: How does luminosity depend on temperature for
Q74: What information about orbital inclination can we
Q75: If the orbital velocity of an eclipsing
Q79: The parsec is defined so that a
Q89: We can find the masses and diameters
Q127: Absorption lines in the spectra of supergiant
Q139: What information can we get from eclipsing
Q153: The most common kinds of stars are
Q154: How does an H-R diagram make it