Talk:Light year

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 Definition Distance that light travels in vacuum in one year; 9,460,730,472,580.800 km = 9.4607304 * 1012 km. [d] [e]
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Light Year

Isn't there that science video or website that has the couple having a picnic and they zoom out x times to represent distance, eventually ending up in lightyears?--Robert W King 14:07, 13 September 2007 (CDT)