Tropic of Cancer
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Tropic of Cancer
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The northern parallel
of declination, approximately 23 degrees 27' from the celestial equator,
reached by the sun at its maximum declination, or the corresponding parallel
on the earth. It is named for the sign of the zodiac in which the sun reached
its maximum northerly declination at the time the parallel was so named.
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References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use