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dynamical equinox


'dynamical equinox' can also refer to...

 

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The intersection of the celestial equator with the ecliptic, as determined from observations of the Sun or other members of the Solar System. The offset of the dynamical equinox from the catalogue equinox is derived by measuring the positions of Solar System objects relative to the catalogue positions of stars.

Subjects: Astronomy and Astrophysics.


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