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In the Figure Shown Below, the Upper Spectrum Is from Hydrogen

Question 21

Multiple Choice

In the figure shown below, the upper spectrum is from hydrogen at rest in a laboratory, and the lower spectrum is from a galaxy. How far away is this galaxy? In the figure shown below, the upper spectrum is from hydrogen at rest in a laboratory, and the lower spectrum is from a galaxy. How far away is this galaxy? A) 110 Mpc B) 170 Mpc C) 230 Mpc D) 280 Mpc E) 340 Mpc


A) 110 Mpc
B) 170 Mpc
C) 230 Mpc
D) 280 Mpc
E) 340 Mpc

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