Equator (astronomy) - MSN Encarta Equator (astronomy), in astronomy, the great circle in which the plane of the equator ...
Zodiacal constellations 2 Zodiac in astrology 2.1 Western zodiac 2.2 Indian zodiac 2.3 Chinese and other zodiacs 3 Zodia...
The primary unit of sidereal time is the sidereal day , which is subdivided into 24 sidereal hours. Each sidereal hour i...
The vernal equinox usually occurs on March 20 or 21 and marks the beginning of the spring season in the Northern Hemisph...
GoTo technology also allows telescope manufacturers to add equatorial tracking to mechanically simpler alt-azimuth teles...
The two points at which the ecliptic intersects the celestial equator are called nodes or equinoxes. The Sun is usually ...
Hellespont and are thought by many to be more likely possibilities for the eclipse Hipparchus used for his computations....
