Difference between revisions of "Obliquity of The Ecliptic"
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Obliquity of The Ecliptic
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The angle between the plane of the ecliptic (the
plane of the earth's orbit) and the plane of the celestial
equator.
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The obliquity of the ecliptic is computed from the following formula:
23 degrees 27 minutes 08.26 seconds - 0.4684 (t - 1900) seconds, where t is
the year for which the obliquity is desired.
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References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use
