Multiple Choice
The figure below shows a binary star system.Which of the following correctly characterizes the spectrum of this system at the instant shown in the figure? 
A) Star A's spectral lines have a smaller blueshift, while star B's spectral lines have a larger redshift.
B) Star A's spectral lines have a larger blueshift, while star B's spectral lines have a smaller redshift.
C) Star A's spectral lines have a smaller redshift, while star B's spectral lines have a larger blueshift.
D) Star A's spectral lines have a larger redshift, while star B's spectral lines have a smaller blueshift.
Correct Answer:
Verified
Correct Answer:
Verified
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