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A light-year is best defined as?
A light-year (symbol: ly), sometimes written light year or lightyear, is a unit of length used in astronomy, though it is sometimes mistaken for a unit of time.
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Asked 4/30/2012 1:23:38 PM
Updated 7/25/2014 6:01:36 PM
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Edited by selymi [7/26/2014 4:36:46 AM]
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A light-year (symbol: ly), sometimes written light year or lightyear, is a unit of length used in astronomy, though it is sometimes mistaken for a unit of time.
Added 7/25/2014 6:01:36 PM
This answer has been confirmed as correct and helpful.
Confirmed by selymi [7/26/2014 4:36:54 AM]
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