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One of the Nearest Stars, Alpha Centauri, Is 4

Question 43

Multiple Choice

One of the nearest stars, Alpha Centauri, is 4.4 light-years from Earth.The time it takes light to travel from Alpha Centauri to us is

A) 1.25 seconds.
B) 8.3 minutes.
C) 4.4 years.
D) 600 years.
E) 2.2 million years.

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