Multiple Choice
A certain galaxy is 2.7 x 109 lightyears from the Earth. How fast is it receding from us?
(Use H0 = 0.022 m/s · lightyear for Hubble's constant.)
A) 0.5 c
B) 0.4 c
C) 0.3 c
D) 0.2 c
Correct Answer:
Verified
Correct Answer:
Verified
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