Science / Astrology Glossary

Longitude, Geographical Or Terrestrial: The distance in arc a given point on Earth lies east or west of the prime meridian, which passes through Greenwich, England (0° longitude). Geographical longitude is measured from 0° to 180° . . . View Full Definition

Longitude, Zodiacal: The position of a given point along the ecliptic expressed in terms of the zodiac.

Lord: An antiquated term synonymous with planetary ruler.

Lower Octave Planets: Mercury, whose higher octave is Uranus; Venus, whose higher octave is Neptune; and Mars, whose higher octave is Pluto. Lower octave planets are associated with a lower or physical level or e . . . View Full Definition

Luminary: The Sun or Moon, called lights traditionally. See also lights.

Lunar: From the Latin, luna, the Moon; descriptive of or relating to the Moon.

Lunar Eclipse: The point at which the Sun, Earth and Moon are aligned with the Earth blocking out the Sun's light from the Moon, making the Moon seem invisible. Occurs during a Full Moon.

Lunar Mansions: From Hindu astrology, a twenty-eight-fold division of a horoscope (twenty-eight mansions or houses) based upon the Moon's average daily motion. Critical degrees are derived from a similar di . . . View Full Definition

Lunar Period: The time it takes the Moon to return to a particular point in the zodiac; the Moon's zodiacal period, a little less than twenty-seven days, eight hours. Also called a sidereal month and peri . . . View Full Definition

Lunar Return Chart: A chart cast for the time the Moon returns to the exact degree, minute, and second it occupied at the moment of an individual's birth.

Lunation: New Moon; Moon conjunct Sun.

Lunation Cycle: The Moon's phases relative to the Sun as it moves from one new Moon (Moon/sun conjunction) to the next; the time interval between two successive lunations (new Moons), approximately twenty-n . . . View Full Definition

M.C.: Medium Coeli. One of the four major angles of a birth chart, this one is at the top of the chart wheel. It is the start of the Tenth House, and it addresses public life and reputation.

Major Planets: Those whose orbits lie outside the Asteroid Belt; Jupiter, Saturn, Uranus, Neptune and Pluto. Also referred to as outer and event planets.

Malefic: An archaic term applied to planets and aspects whose influence was thought to be negative or destructive. Traditionally, Saturn is the Greater Malefic; Mars, the Lesser Malefic. Uranus, Nept . . . View Full Definition

Mansions Of The Moon, Moon Mansions: Synonymous with Lunar Mansions. See Lunar Mansions.

Map: A horoscope.

Mars: Represents action, passion, drive and determination. It deals with one's sexuality, force, daring, courage, competitive nature, aggression and assertion.

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