How long does it take light to cross the Milky Way galaxy?
A)about 8 minutes
B)about 8 years
C)about 80,000 years
D)about 200 million years

Name: How long does it take light to cross the Milky Way galaxy? A)about 8 minutes B)about 8 years C)about 80,000 years D)about 200 million years
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Quizplus · Accepted Answer

The Milky Way galaxy is about 100,000 light-years in diameter, so it would take light approximately 80,000 years to cross from one side to the other.

How Long Does It Take Light to Cross the Milky