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physical phenomena > event > celestial event > periodic celestial event > orbital event > Sun orbital event > ascending node > dynamical equinox |
dynamical equinox comparison table |
Subject | has definition | see also | is a kind of | is an instance of |
---|---|---|---|---|
ascending node | In the orbit of a solar-system body, the point where the body crosses the ecliptic from south to north: for a star, out of the plane of the sky toward the observer. | Sun orbital event | ||
dynamical equinox | The ascending node of the Earth's mean orbit on the Earth's equator; i.e., the intersection of the ecliptic with the celestial equator at which the Sun's declination is changing from south to north. | equinox | ascending node |
Up: ascending node