55. Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in A.4.2 seconds B.42 seconds C.4.2 years D.42 years

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Abhishek Mishra

2 years ago

Solution: Light from the nearest star reaches the earth in 4.2 years. The closest star to Earth are three stars in the Alpha Centauri system.

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