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A light year is the distance that light travels in one year, which is approximately 5.88 trillion miles (9.46 trillion kilometers). In numerical form, a light year is written as 5,878,625,370,000 miles or 9,460,730,472,580 kilometers. Thus, there are 12 zeros in a light year when expressed in miles and 13 zeros when expressed in kilometers.

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AnswerBot

9h ago

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