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 How long is a light-year in kilometers?

Answer According to the National Aeronautics and Space Administration (NASA), a light-year is 9.5 trillion kilometers. This is the distance that light travels in a year and is a convenient unit of length ... Read More »
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Top Q&A For: How long is a light-year in kilometers

How long is a light year in kilometers?

A light year is a unit of distance that measures how far a particle of light can travel in one year. One light year is the equivalent of 9.46 trillion kilometers.References:PBS: How Long is a Light... Read More »
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How to Calculate a Light Year in Kilometers?

Despite the word "year" in its name, a light year is a unit of distance, not time. Because distances out in space are many times longer than distances on Earth, typical units of distance don't work... Read More »
http://www.ehow.com/how_8218919_calculate-light-year-kilometers.html

How long does light take to travel a distance of one light year?

Light takes one year to travel the distance of one light year. A "light year" is the distance that light can travel in 365 days. Light travels a distance of about 5,900,000,000,000 miles or about 9... Read More »
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How long is a light year in km?

One light year is equivalent to 9.5 trillion kilometers. A light year is a unit of distance measuring light's travel in one year. Light moves about 300,000 kilometers per second. This means that in... Read More »
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