Multiple Choice
One of the nearest stars is Alpha Centauri, whose distance is 4.2 * 1016 m. How long does it take light to travel from Alpha Centauri to us?
A) 1.25 seconds
B) 8.3 minutes
C) 4.4 years
D) 560 years
E) 6,200 years
Correct Answer:

Verified
Correct Answer:
Verified
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