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  • Brainly User
2015-03-29T16:21:13+05:30

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A light year is a distance light will travell in a year.light travels 186,000 miles per second so a light year is a awfully long way one light year is equal to
9,500,000,000,000
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2015-03-29T16:23:31+05:30

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Light Year is  used informally to express astronomical distances. It is the distance that Light can travel in 1 year.

⇒1 light year =9.4605284 ×  10^{15}
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good job arnav
thnks.. nitzz
thnkss for saying thank you