Light-year: Difference between revisions

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(New page: a light year is the equivalant to a year but travelling at the speed of light.)
 
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a light year is the equivalant to a year but travelling at the speed of light.
A '''light year''' is the distance that light travels over the course of an [[Earth]] year.

Revision as of 20:41, 28 September 2008

A light year is the distance that light travels over the course of an Earth year.