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If a Galaxy Is Receding at 0

Question 9

Multiple Choice

If a galaxy is receding at 0.10 c, how far away is the galaxy if the Hubble parameter is 70 km/s/Mpc?

A) 1.4 × 10⁹ ly
B) 23 Mpc
C) 76 Mly
D) 7 Mpc
E) 1.4 × 10⁷ ly

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