Multiple Choice
The distance to the nearest,large,spiral galaxy,Andromeda,is 2.5 million light-years.How long does it take light to travel from us to Andromeda?
A) 360 years
B) 1.2 thousand years
C) 4.5 billion years
D) 2.5 million years
Correct Answer:
Verified
Correct Answer:
Verified
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