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

Question

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

Quizplus · Accepted Answer

The Answer of 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

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