If the distance of a galaxy is 50 Mpc, what is its recessional velocity if the Hubble constant is assumed to be 70 km/s/Mpc?
A) 700 km/s
B) 1,000 km/s
C) 3,500 km/s
D) 5,000 km/s
E) 7,000 km/s

Question

Quizplus · Accepted Answer

The recessional velocity of a galaxy can be calculated using Hubble's Law: v = H₀ × d, where v is the recessional velocity, H₀ is the Hubble constant, and d is the distance. Here, v = 70 km/s/Mpc × 50 Mpc = 3,500 km/s.

If the Distance of a Galaxy Is 50 Mpc, What