Posted by Hafiza on Tuesday, September 25, 2012 at 5:09pm.
distance (m) = speed (m/s) * time (s)
10^5 years * 3*10^8 m/s * 3.2*10^7 s/yr = 9.6*10^20 s
or, as is usually written, 100,000 light-years (duh)
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