intersection+of+the+equator+and+the+ecliptic
1ecliptic — ecliptically, adv. /i klip tik/, n. 1. Astron. a. the great circle formed by the intersection of the plane of the earth s orbit with the celestial sphere; the apparent annual path of the sun in the heavens. b. an analogous great circle on a… …
2Ecliptic — The ecliptic is the apparent path that the Sun traces out in the sky during the year. As it appears to move in the sky in relation to the stars, the apparent path aligns with the planets throughout the course of the year. More accurately, it is… …
3equinoxes, precession of the — Motion of the points where the Sun crosses the celestial equator, caused by precession of Earth s axis. Hipparchus noticed that the stars positions were shifted consistently from earlier measures, indicating that Earth, not the stars, was moving …
4Orbit of the Moon — Not to be confused with Lunar orbit in the sense of a selenocentric orbit, that is, an orbit around the Moon The Moon completes its orbit around the Earth in approximately 27.3 days (a sidereal month). The Earth and Moon orbit about their… …
5Ascendant — The ascendant ( sign and degree that was ascending on the eastern horizon at the specific time and location of an event. According to astrological theory, celestial phenomena reflect or determine human activity on the principle of as above so… …
6first point of Libra — The point of intersection of the ecliptic and the celestial equator (equinoctial) when the sun is moving from the north to the south direction. It is denoted by the symbol λ. Also called autumnal equinox. See first point of Aries and ecliptic …
7First Point of Aries — the vernal equinox. * * * first point of Aries The intersection of celestial equator and ecliptic passed by the sun in spring in the northern hemisphere, now actually in Pisces • • • Main Entry: ↑Aries * * * Astronomy the point on the celestial… …
8first point of Aries — The point of intersection of the ecliptic and the celestial equator (equinoctial) at which the sun is moving from a south to north declination. Also known as the spring equinox or the vernal equinox. It is denoted by the symbol γ. See also… …
9spring equinox — The point in time when there is an intersection of the ecliptic and the celestial equator (equinoctial), at which the sun is moving from a south to a north declination. The equinox occurs around March 21 the exact date varies a day or two because …
10astronomical map — Introduction any cartographic representation of the stars, galaxies, or surfaces of the planets and the Moon. Modern maps of this kind are based on a coordinate system analagous to geographic latitude and longitude. In most cases, modern… …
