If the distance of a galaxy at a redshift z = 0.05 is 220 Mpc, how many years back into the past are we looking when we observe this galaxy?
A) 5 million years
B) 220 million years
C) 720 million years
D) 6 billion years
E) 10 billion years

Name: If the distance of a galaxy at a redshift z = 0.05 is 220 Mpc, how many years back into the past are we looking when we observe this galaxy? A) 5 million years B) 220 million years C) 720 million years D) 6 billion years E) 10 billion years
Brand: Quizplus
Rating: 4.9 (33 reviews)

Question

Quizplus · Accepted Answer

The Answer is C

If the Distance of a Galaxy at a Redshift Z