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How Far Away Is a Galaxy That Is Moving Away

Question 46

Multiple Choice

How far away is a galaxy that is moving away from Earth at 100,000 km/s? Assume 50 km/s Mpc for the Hubble constant.


A) 2000 Mpc
B) more than 6 light years
C) 8000 Mpc
D) more than 4 light years
E) 2000 Mpc and more than 6 light years

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