But how would you get that? From the wavelength data in question 16?Thanks...
When I first did the problem, I did it using that method, but, being spacy and such I decided to do area of the circle instead of circumference, so I got a velocity that would cause the stars to convert all of their mass into energy.
The answer of 109 that I got the other times was the recessional velocity of the star that I should have gotten for the second problem.
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