SOLUTION: Help.
The diameter of the Milky Way disc is approximately 9 X 10^20 meters. How long does it take light, traveling at 10^16 m/year to travel across the diameter of the milky w
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Question 45626: Help.
The diameter of the Milky Way disc is approximately 9 X 10^20 meters. How long does it take light, traveling at 10^16 m/year to travel across the diameter of the milky way?
Answer by Nate(3500) (Show Source): You can put this solution on YOUR website!
(9 x 10^20)/(10^16)
9 x 10^4
90,000 years
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