document.write( "Question 265209: The diameter of the Milky Way disc is approximately 9x10^20 meters. How long does it take light, traveling at 10^16 m/year to travel across the diameter of the Milky Way?
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Algebra.Com's Answer #195053 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
9*10^20/10^16
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\n" ); document.write( "90,000 YEARS TRAVEL TIME ACROSS THE MILKY WAY DISC.
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