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The BEST description of a light-year is A) the speed of light in a vacuum. B) the age of a one-year-old star. C) the distance light travels in a year. D) the time it takes light to travel from Earth to
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The BEST description of a light-year is

A) the speed of light in a vacuum.
B) the age of a one-year-old star.
C) the distance light travels in a year.
D) the time it takes light to travel from Earth to the Sun.

User Chris Lamb
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1 Answer

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D) the time it takes light to travel from Earth to the Sun.
User Peter Chaula
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