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Question

Proxima Centauri is the nearest known star to the Sun. It is situated at a distance of 4.24 light years from the Sun. How many kilometers is it away from the Sun?

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Solution

We know that, 1 light year = 9.467 × 1015 m

Distance of Proxima Centauri from the Sun = 4.24 light years

= 4.24 × 9.467 × 1015 m

= 40.14 × 1015 m

= 40.14 × 1012 km


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