Science / Astrology Glossary

Full Moon: That point in the lunar cycle when the Moon exactly opposes the Sun; begins the waning phase.

Galaxy: One of the billions of huge cosmic systems, each composed of innumerable stars, planets, etc. Members of a galaxy revolve as a unit around a common point in space. Our solar system is part o . . . View Full Definition

Genethliacal Astrology: An old term for natal astrology. See also natal astrology.

Geniture: From the Latin, birth or origin; used in astrology to refer to a birth or a natal horoscope. See also natal astrology.

Geocentric: Measured or viewed in relation to Earth as the reference or observation point; Earth-centered measurements.

Gibbous Moon: The Moon approaching the full Moon, more than 135° and less than 180° ahead of the Sun. A natal gibbous Moon indicates that self-analysis is an important factor in motivation.

Grand Cross: A configuration in which four planets form mutual squares. It creates much tension.

Grand Cross, Grand Square: An aspect configuration in which four planets, each in a different sign of the same quadruplicity, form mutual squares. Much tension is generated among planets forming this pattern. If signs . . . View Full Definition

Grand Trine: The aspect pattern formed when three planets, each in a different sign of the same triplicity (air, earth, fire or water), trine each other. A grand trine permits smooth flow of energies amo . . . View Full Definition

Great Circle: A circle described on the surface of a sphere (Earth, for example) so that its plane passes through the center of the sphere.

Great Year: The astrological year based on the time it takes Earth's axis to complete on revolution around the pole of the ecliptic, about twenty-five thousand years. A Great Year is divided into twelve . . . View Full Definition

Greater Benefic: A term reserved for the planet Jupiter which, according to ancient beliefs, was responsible for life's greatest blessings.

Greater Malefic: A term applied to Saturn, the planet ancients believed to generate the evils in life.

Gregorian Calendar: The calendar now used internationally, devised by Pope Gregory in the 1580s to replace the Julian calendar, which by then had accumulated a ten-day discrepancy with the solar year. Most, but . . . View Full Definition

Hades: The second symbolic planet used in Uranian astrology. See also Uranian astrology.

Half-Sum: An alternate term for mid-point, the point in the zodiac that lies exactly midway between two planets.

Halleys Comet: Named for the English astronomer, Edmund Halley, who correctly predicted, in 1682, the comet's return in 1759. One of the most brilliant comets viewed from Earth, it reappears approximately . . . View Full Definition

Hard Aspect: Aspects which create tension and friction. Squares, oppositions and quincunxes are all hard aspects.

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