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If a star is 50 light-years away from earth, how long will it take light to travel from star to earth?
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If a star is 50 light-years away from earth, how long will it take light to travel from star to earth?

User Ivan Vavilov
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50 Years.

A light-year is the distance light can travel in one year. Therefore, if light travels for 50 years, it will have gone 50 light-years away.
User MichAdel
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