Difference between revisions of "Light Year"
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Light Year
</dt>
A unit of length used in expressing stellar distances equal
to the distance electromagnetic
radiation travels in 1 year. 1 light-year = 9.460 X 10E12
kilometers = 63,280 astronomical units = 0.3068 parsecs. [[/a>|/a>]]
</dd>
References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use
