Multiple Choice
The distance to the Andromeda Galaxy is estimated at about 2 × 106 light years.A light year is the distance traveled by light in one year;if the speed of light is 3 × 108 m/s,about how far is it from our galaxy to Andromeda? (1 year = 3.15 × 107 s)
A) 10 × 1015 m
B) 1 × 1018 m
C) 2 × 1022 m
D) 6 × 1012 m
Correct Answer:

Verified
Correct Answer:
Verified
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