Question

The distance covered by the light of Alpha Centuari to reach earth is _________.

Answer 1

Answer:

It is about 4.22 light-years from Earth and is the closest star other than the sun. Alpha Centauri A and B orbit a common center of gravity every 80 years. The average distance between them is about 23 astronomical units (AU) — a little more than the distance between the sun and Uranus.

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Answer 2

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