Author Question: In a binary system, the more massive star a. is at the center of mass. b. is farthest from the ... (Read 54 times)

michelleunicorn · **on:** Jul 27, 2018

In a binary system, the more massive star

a. is at the center of mass.
b. is farthest from the center of mass.
c. is nearest the center of mass.
d. follows the largest orbit.
e. shows a larger Doppler shift in its spectral lines.

Question 2

A nanometer is

a. a unit of frequency.
b. a unit of energy.
c. a unit of mass.
d. a unit of length.
e. a unit of resolving power.