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October 23, 2014

Homework Help: 5th grade

Posted by cheyenne on Sunday, April 25, 2010 at 1:23pm.

one light year is about 9 trillion kilometers . arctus is a star that is 37 light years from earth.if you are 11 years old now,how old will you be when light that is leaving arcturus today reaches earth. how far in kilometers willit have traveled .sow your work.

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