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OpenStudy (anonymous):

what is a lightyear

OpenStudy (anonymous):

A light year is a way of measuring distance.1 lightyear = 9.4605284 × 10^15 meters

OpenStudy (anonymous):

A light year, is the DISTANCE light will travel in 1 year.

OpenStudy (anonymous):

The light-year is often used to measure distances to stars and other distances on a galactic scale, especially in non-specialist and popular science publications

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