Difference between revisions of "Light-year"
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A ''' | A '''light-year''' is a unit of measurement to describe interstellar distances, equal to 9,460,730,472,580.8 kilometers, the distance a beam of light will travel in one [[Earth]] (Julian) year if left uninterrupted. It is also equal to 0.3066 [[parsec|pc]]. | ||
[[Category: Science]] | [[Category: Astronomy]] | ||
[[Category: Science Reference]] | |||