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Science
How many years are in one lightyear?
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A lightyear is not a time unit. It is the distance light travels in one year and is equivalent to about 9.46 trillion kilometers.
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light year is how far light travels in a year.Light-year is the distance light travels in one year. Light zips through interstellar space at 186,000 miles (300,000 kilometers) per second and 5.88 trillion miles (9.46 trillion kilometers) per year.
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