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March 30, 2015

Homework Help: Physics

Posted by Hafiza on Tuesday, September 25, 2012 at 5:09pm.

it is estimated that light travels 100 000 years to travel the full distance across our galaxy, the milky way. If light travels 3.0x10^8 m every second, how long is the Milky Way? (1year=3.2x10^7s)

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