Question: ( 4 pt ) The figure below shows the Doppler shifts measured from two stars, Star 1 ( which has velocity v 1 ) and

(4

)

The figure below shows the Doppler shifts measured from two stars, Star

1 (

which has velocity

v_{1})

and Star

2 (

which has velocity

v_{2}),

which orbit a common center of mass in a binary system. Based on this plot, which star is more massive, or are they the same mass? Briefly explain your reasoning.

( 4 pt ) The figure below shows the Doppler

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