Difference between revisions of "Light-year"

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A '''lightyear''' is a unit of messurement to discribe intersteller distances, equal to 9,460,730,472,580 Kilometers, the distance a beam of light will travel in one terran year if left uninterupted.
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]]

Latest revision as of 19:10, 5 October 2011

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 pc.