What is a Light Year?

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asked May 1, 2015 198k views

5 votes

What is a Light Year?

Physics
high-school

Arnlee Vizcayno asked

by Arnlee Vizcayno

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It's a unit of length equal to the distance that light travels within one year through vacuum.
To be exact it's 9.4605284 × 10^15 meters
or 5.87849981 × 10^12 miles

Akhil Aravind answered May 6, 2015

by Akhil Aravind

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