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December 20, 2014

December 20, 2014

Posted by **lisa** on Tuesday, June 14, 2011 at 10:38pm.

- physics -
**drwls**, Wednesday, June 15, 2011 at 1:47amDivide 18,200 mi/hr by the number of miles in a lightyear. That will give you light years/hr. Then multiply the result by the number of hours in a century,

24*365.25*100.

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