Estimate the speed of a galaxy that is 10 billion light-years away.
A)0.1c
B)0.3c
C)0.5c
D)0.7c
E)0.9c

Name: Estimate the speed of a galaxy that is 10 billion light-years away. A)0.1c B)0.3c C)0.5c D)0.7c E)0.9c
Brand: Quizplus
Rating: 4.8 (30 reviews)

Question

Quizplus · Accepted Answer

The speed of a galaxy can be estimated using Hubble's Law, which states that the velocity of a galaxy is proportional to its distance from us. For a galaxy 10 billion light-years away, the speed is approximately 0.7c, where c is the speed of light.

Estimate the Speed of a Galaxy That Is 10 Billion