Invariable Plane · Astrological definition of Invariable Plane · Astrology Encyclopedia  ·  December 12, 2017, 20:11 GMT
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Invariable Plane

Invariable Plane - Astrology Encyclopedia

Definition of Invariable Plane The Solar System possesses two fixed planes: that of the Solar Equator; and the Invariable plane - a central plane of the Solar System discovered by Laplace, which, passing through its center of gravity at a mean inclination of about 135' to the Ecliptic, is independent of the mutual perturbations of the planets. The inclination of the orbits of Venus and Mercury to the Solar Equator, slightly more than 3 degrees, is less than that of the other planets. Since these are the two closest planets to the Sun, the Solar Equator can be considered as their reference plane. The Earth's inclination to this plane, of slightly more than 7", is exceeded only by that of Pluto. The Ecliptic, the Earth's plane of revolution around the Sun, intersects the Solar Equator in the middle of Gemini and Sagittarius, at which points the Earth has no heliographic Latitude North or South. However, the values of these inclinations and the longitudes of the planetary Nodes along this plane are all variable due to motions of the orbits themselves with respect to the other great reference plane of the Solar System: the Invariable Plane - so-called because its position remains unaltered by any forces within the system. In this plane the combined angular momenta of all the planets is a maximum. There are two classes of disturbances in the normal undisturbed elliptical motion of the planets in their orbits in space: periodic perturbations and secular perturbations. Periodic perturbations are deviations due to the gravitational pulls of the planets on each other. However, after the planets have revolved a considerable number of times, and thus have been in all possible relations to each other, these periodic perturbations cancel each other. A famous example is the long period inequality in the motions of Jupiter and Saturn, which shifts their positions by a degree or so - one forward and the other backward - in a period of about 918 years. Actually their recurrence cycle in the fixed Zodiac - 46 conjunctions distributed nearly evenly in all 12 Signs of that Zodiac - is about 913 years, but the inequality lengthens this to 918 years. Therefore the periodic perturbations are determined by the second order recurrence cycles of the planets in the fixed Zodiac. However, at the end of such a cycle of fluctuation the distorting effects have not been completely cancelled out, and small remaining residues show up in what are termed the elements of the planets' orbits. As a result of this residue, the nodical line at which the orbit plane of each planet intersects the invariable plane, is displaced backward, in a precessional motion of the whole orbit plane. In addition, the inclination of the orbit plane to the invariable plane is slightly decreased or increased. A third effect is a shift in the position of the major axis - longest axis of the orbital ellipse. This shift may be either forward or backward, but it is more likely to be forward for all of the planets except Venus. Finally the shortest axis of the orbital ellipse - the minor axis which crosses the major axis at the center of the ellipse - increases or decreases its length; i.e, the eccentricity of the ellipse becomes greater or less.



Two great masters of celestial mechanics, Lagrange and Laplace, demonstrated that while there are periodic fluctuations in the lengths of the major axes there are no secular perturbations - long-term oscillations. Since the duration of a planet's revolution around the Sun depends on the major axis alone, this means that except for minor short-term fluctuations the periods of the planets are constant. They further demonstrated that the inclinations and eccentricities oscillate within narrow limits which are never exceeded, thus preserving the stability of the Solar System. Finally they showed that the orbit planes precess backward along the invariable plane, while most of the major axes revolve forward - spending briefer periods in actual retrograde motion. Only the major axis of Venus spends more time revolving backward than forward. Thus the Solar System, through an intricate process of mutual adjustment, maintains its basic configurations of orbits, and its stability. As one planet decreases its eccentricity and inclination, one or more orbits must at the same time be increasing their eccentricities and inclinations: whereby the total amount of eccentricity and of inclination to the invariable plane remains constant! This has been termed the Magna Charta of the Solar System. The late Ernest W. Brown showed that the effects of resonance could not have been great enough within the past hundred million years to have destroyed this stability; nor would it be in the next hundred million years.



Jupiter, the most massive of all the planets, has an orbital inclination to the Invariable Plane which never exceeds 028', nor ever less than 014'. Its current value is about 021'. Furthermore, the Nodes of the Jupiter and Saturn orbits on this plane are never separated from each other by much less than 180; hence these two planets largely determine the position of the Invariable plane - especially Jupiter. According to Stockwell, the mean period of their common precession is 49,972 years. Similarly the perihelion ends of the major axes of the orbits of Jupiter and Uranus never get much less than 180 from each other. The common mean period for a revolution of their major axes (line of apsides) is 348,700 years. Thus Jupiter is the "flywheel" which balance the Solar System, a perfect symbol of justice and law.



The Earth's orbit - the ecliptic - can never have an inclination to the Invariable plane in excess of 36'. The value on January 1, 1850 was 135'19.376" - the figures are taken from Stockwell's "Secular Variations of the Eight Principal Planets," in the "Smithsonian Annual Contributions to Knowledge," Volume 18, 1872. According to him the maximum eccentricity of the Earth's orbit is .0693888; the current value .0159. The period of the orbital precession of the Ecliptic on the Invariable Plane is indeterminate, since the minimum inclination of the Ecliptic to that plane is 00'0". Similarly, the minimum Eccentricity is also 0, hence the mean period of motion of the line of Apsides is also indeterminate.



LeVerrier, the discoverer of Neptune, and Stockwell, calculated the position of Earth's perihelion, one end of the line of apsides, over a period in excess of 4,000,000 Years. By counting the number of times the line of Apsides revolved within that period, one gains a good estimate of its period in the present Mahayuga. This Mahayuga of the Hindus is a period of approximately 4,320,000 years, in which they say all of the planets recur at nearly the same position. The astronomer Stuart showed that this is correct and that the period is 4,319,936.8663 years: at the end of which Mercury, Venus, Earth, Mars, Jupiter and Saturn return to a position in the Fixed Zodiac about 20 behind where they started. He found this also applied to the "new" planets, Uranus and Neptune; and that an increase in the period of Pluto of only one part in 100,000, or 0.001 per cent, will also bring it into recurrence. It would appear that in the present Mahayuga the mean period of revolution of the Earth's apsides is about 115,000 years from LeVerrier's figures, and about 110,000 from Stockwell's somewhat more accurate figures: and the average period of revolution of the major axis of the Earth's orbit must have a mean value of approximately the same order of magnitude: i.e., 110,000 to 115,000 years.



In the present cycle both of these periods are near minimums, since the eccentricity and inclination of the Earth's orbit are decreasing to minimum values. In the current cosmic Era the length of the Planetary Precession and rotation of the Line of Apsides will be from 72,000 to 75,000 years. The minimum inclination will be reached in about 20,000 years and the minimum eccentricity about 26,000 A.D., one cycle of general Precession after Christ. The last Stationary position of the Perihelion-Stationary-Direct after several thousands of years of retrogressive motion - was about 26,000 years before Christ: again one cycle of the general Precession.



The relationships of these cosmic cycles to the time of the Christ is indeed remarkable, and tends to confirm the belief that a new cycle of general Precession then commenced. Furthermore at that epoch the Nodical line of Ecliptic and Invariable Plane was at right angles to the Nodical line of Ecliptic and Equator - the Equinox - thus making a Cross! The position of the Nodical line of the Planetary precession in the Moving Zodiac was 1614'6.00" Cancer-Capricorn on January 1, 1850. The present position of the Perihelion end of the Line of Apsides - where the Earth is nearest the Sun - is about 11 Capricorn, i.e., the position of the Sun on or shortly after January 1 of every year (deviation due to Calendar variation or Leap Year effect). Thus it appears that we commence our year at what after all is astronomically the most logical time.



The minimum eccentricity of the Earth's orbit, at about 29,900 A.D., will be the smallest minimum since the greatest maximum, about 850,000 B.C., showing a great cycle, governing all planetary eccentricities in the Solar System, of a duration of approximately 1,750,000 years. According to Madame Blavatsky's "Secret Doctrine" it was around 850,000 B.C. that the first and most serious cataclysm destroyed most of the continent of Atlantis, at the start of what she terms the Fifth Root Race. As a cataclysm by Water, this suggests that the next cataclysm may be by Fire, and will occur about 25,900 A.D., at the start of the Sixth Root Race. Since she maintains that each Root Race has 7 Sub-races and each of these in turn 7 Family Races, there should be 49 Family Races in a Root Race or Lifewave. She also states that the period of a Family Race was that of the general Precession, a little under 26,000 years - although the Root Races overlap, in that a new one commences before an older one has run its course. It is easy to show that the Precession which ended with Christ was the end of the Fifth Family Race of the Fifth Subrace of the Fifth Root Race: making 33 Family Races or Precessions since 850,000 B.C. Therefore the present Sixth Family Race, of the present cycle of Precession, may be considered as a bridging cycle out of which both the Sixth Sub-Race and the Sixth Root Race will in the next cataclysm approach their start around 25,900 A.D.



The foregoing is not put forward dogmatically, but as an interesting explanation of the significance of these long cosmic cycles. The implication is that the present cycle of Precession is a bridging cycle between two great Lifewaves (Root Races), and thus has extraordinary importance; that it commenced with Christ and the cosmic Cross formed by the Equinoxes and the Line of the Planetary Nodes; and that the significance of the Crucifixion is essentially cosmic, and the Mission of the Christ one of initiating the great Precessional cycle of Transition from the Fifth to the Sixth Lifewave. It is a notable fact that on April 1, 25 A.D. (Julian Calendar), when Jesus was 30 years of age and at the start of his mission, according to a consensus of historical researches, there was a Great Cardinal Cross, wherein Uranus in Cancer at its Node on the Invariable Plane opposing Neptune in Capricorn at its Node on the Ecliptic, was in cross relationship to Saturn in Aries at its Node on the Equator opposing Jupiter in Libra - all the Nodes on the three basic planes which at that time were forming the cosmic cross. In addition there was a Full Moon in Libra with the Sun in Aries, Mars in Aries also in the Cross, and at its Node on the Ecliptic. Pluto was in early Sagittarius; and Mercury and Venus were retrograde in the last decan of Pisces - the Sign of Christianity and of the traditionally first of the 12 Ages into which the Precessional cycle is customarily divided. Thus through the crossing of orbit planes, the Nodes, this Planetary Cross shows a remarkable relationship to the Cosmic Cross made at that time by the Equator, Ecliptic and Invariable planes.



This full discussion is warranted on the basis that this date marks the blending of all the chief cycles which affect the Earth, and the significance of the cosmically-indicated Crucifixion of Christ, which could never before have occurred in the two-billion-year history of the Earth. A third Cross is found to be involved, if one considers the four consecutive Solar eclipse paths which passed over Jerusalem and Bethlehem, both before and after the life of Jesus. The total Eclipse of July 4, 336 B.C. at 6.3 Cancer; the total Eclipse of April 2, 303 B.C. at 7.5 Aries; the annular Eclipse of January 5, 29 B.C. at 12.6 Capricorn; and the annular Eclipse of October 4, 590 A.D. at 13.2 Libra - all Julian dates. These form a Cross in their positions on the Ecliptic (Zodiac), the positions in near-agreement with the Zodiacal places of the four chief major planets on April 1, 25 A.D.: Uranus, at 10.1 Cancer; Neptune, at 13.8 Capricorn; Saturn, at 4.8 Aries; and Jupiter, at 15.4 Libra - all calculated from Schoch's Tables by Ralph Kraum. Thus the Planetary Cross activated the Eclipse Cross (zodiacal), and the drama of the ensuing Crucifixion was enacted in Jerusalem where the four eclipse-paths had crossed and were to cross (Geographical), while both in turn were the projection of the basic evolutionary Cosmic Cross of the three fundamental planes which signified the commencement of the most vital cycle of Precession (both planetary Precession and general Precession), within the period of two Lifeways (transition from one to the other) - which is about 100 general Precessions or 2,570,000 years: the period of a double Polar Inversion. - CHARLES A. JAYNE, Jr.

(Nicholas deVore - Encyclopedia of Astrology)

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A

Accidental Ascendant · Accidental Dignity · Acronycal · Acronycal place · Active Influence · Adept · Adjusted Calculation Date · Line of Advantage · Affinity · Afflicted · Astrological Ages · Air Signs · Albedo · Almanac · Almuten · Altitude · Ambient · Anahibazon · Anareta, anaretic · Anaretic Point. Anaretic Place · Androgyne, androgynous · Angels · Angle · Angstrom · Angular · Angular Velocity · Anomaly · Anipathies · Antipathy · Antiscion · Antisedentia · Aphelion · Apheta · Aphorism · Apogee · Apparent Motion · Application · Appulse · Apsis · Aquarius · Arabian Points, or Parts · Arc · Arc of Vision · Ares · Aries · Armillary Sphere · Ascendant · Ascending · Ascension · Ascension, Signs of Long · Ascension, Signs of Short · Ascensional Difference · Aspect · Aspectarian · Asterism · Asteroids · Astral Body · Astral Light · Astral projection · Astrolabe · Astrology · Astromancy · Astrometeorology · Astronomical unit · Astronomos · Astronomy · Astrotheology · Aten · Athazer · Aura · Aurora Borealis, Northern Lights · Inclination of Axis · Axial rotation · Azimene · Azimuth

B

Baal · Tower of Babel · Babylon · Babylonian · Barren Signs · Beholding Signs · Bel · Belts of Jupiter · Benefic Aspects · Besieged · Bestial signs · Bicorporeal · Bi-Quintile · Birth Moment · Birth Stones · Bitter Signs · Blend · Brahmanaspati · Broken Signs · Brutish signs · Buddha

C

Cabala, Cabalism · Cacodemon · Cadent · Caduceus · Calendar · Cancer · Cappella · Capricorn · Caput Draconis · Cardinal Signs · Casting the Horoscope · Cataclysmic Planet · Catahibazon · Cauda Draconis · Cazimi · Celestial Sphere · Ceres · Chaldaeans · Chaldaean Oracle · Changeable Signs · Character · Character of Planets · Characteristics of the Signs · Chart · Chronocrators · Chronos · Circle · Circles of Position · Cities, Sign Rulership · Clairaudience · Clairsentience · Climacterical Conjunction · Climacterical Periods · Climate · Cold planets · Cold Signs · Collection of light · Colors · Combust · Comets · List of Periodic Comets · Comet 1925a · Collision with Earth · Commanding Signs · Common Signs · Conception · Conceptive Signs · Configuration · Conjunction: Conjoined to · Conjunction, Superior and Inferior · Constellations · Contact · Contra antiscions · Converse Directions · Coordinate · Copernican System · Corona · Correction · Co-signficator · Cosmecology: the ecology of the cosmic · Cosmic · Cosmic Conditioning · Cosmic Cross · Cosmic Philosophy, or Cosmism · Cosmic Psychology · Cosmical · Councillor Gods · Countries · Crepuscule · Crescent · Critical Days · Critical Degrees · Crooked Signs · Crucial Degrees · Culminating · Culmination · Culminator · Cusp · Cycle · Cycles · Jupiter Cycle · Pluto Cycles · Neptune Cycle · Uranus Cycle · Saturn Cycles · Cycles - Tabulated data

D

Day · Day House · Day of Week, to determine · Daylight Saving Time · Day Triplicity · Debility · Decade · Decanate, Decan · Decatom · Decile · Declination · Decreasing or Increasing in Light · Decumbiture · Deductive Type · Deferent · Degree · Degree Rising · Individual Degrees · Individual Degree Tables · Aries Individual Degrees · Taurus Individual Degrees · Gemini Individual Degrees · Cancer Individual Degrees · Leo Individual Degrees · Virgo Individual Degrees · Libra Individual Degrees · Scorpio Individual Degrees · Sagittarius Individual Degrees · Capricorn Individual Degrees · Aquarius Individual Degrees · Pisces Individual Degrees · Delineation · Depression · Descendant · Descending · Destiny · Detriment · Dexter · Dhanus · Dichotome, or Dicotome · Dignities, Debilities · Dignities and Debilities · Dionysian Period · Directions. Progressions · Dispositor · Dissociate Signs · Distance · Diurnal · Dog Days · Dog Stars · Domal Dignity · Dominical Letter · Doryphory · Double-bodied or Bicorporeal Signs · Dragon's Head. Dragon's Tail · Dumb Signs · Duration of Life · Dwa-da-shamsa · Dysis

E

Eagle · Earth Shine · Earth Signs · East · Easter · Eccentric · Eclipse · Eclipse of Thales · Ecliptic; Via Solis, the Sun's path · Ego · Elections · Electric planets · Elements · Elevation · Elevation of the Pole · Elevation by Latitude · Eleveation by House Position · Elongation · Embolismic Month · Emerge · Emotional Natures · Enneatical · Epact · Ephemeral Map · Ephemeral Motion · Ephemeris · Epicycle · Epoch · Signs of Equal Power · Equation of Time · Equator · Equinox · Equinoctial Signs · Era · Eros · Erratics · Esoteric · Essential Dignities · Eudemon · Exaltation · Executive Type · Exoteric · Externalize · Extra-sensory Perceptions

F

Face · Fall · False Angle; False Arc · Familiarity · Fate · Feminine Signs · Feral · Figure · Fire Signs · First point · Fixed Signs · Fixed Stars · Flexed · Fortified · Fortitude · Fortuna · Fortunate Signs · Fortunes · Four-footed Signs · Fourth Dimension · Free-Will · Friendly planets · Fruitful Signs · Frustration · Gabriel · Galactic Center · Galactic Latitude · Galaxy · Notes of the Gamut · Gemini · Gems · Genethliacal Astrology · Genethlialogy · Geniture · Geoarc · Geoarc Figure · Geocentric · Astrological Geomancy · Gibbous · Giver of Life · Gnomes · Golden Number · Arc of Gradial Transit · Grand Cross · Grand Trine · Gregorian Calendar · Guarded

H

Hayz · Hearing · Heart of the Sun · Heliacal Rising · Heliacal Setting · Heliarc · Heliarc Figure · Heliocentric · Heliocentric Astrology · Heliocentric Longitude and Latitude · Helios · Hemisphere · Hermaphrodite · Hermes · Hermetic · Herschel · Hexagon · Hindu Astrology · Home, Day or Night · Homodromi · Honors · Horary Astrology · Horary Circles · Horary Time · Horimea · Horizon · Horizontal Aspects · Horizontal Parallel · Horoscope · Hour Angle · Hours · Houses · Meaning of Houses · First House · Second House · Third House · Fourth House · Fifth House · Sixth House · Seventh House · Eighth House · Ninth House · Tenth House · Eleventh House · Twelfth House · Houses, Reciprocal Action of Opposite · Solar Houses · House Ruler · Intercepted House · House: Diurnal, or day; Nocturnal, or Night · Tables of Houses · Human Signs · Hyleg · Hylegiacal Places · Hypogeon

I

Ides · Period of Illumination · Immersion · Impeded; Impedited · Imperfect Signs, Broken Signs · Imum Coeli · Inclination · Inconjunct · Increasing in Light · Increasing in Motion · Individual Houses · Inferior Planets · Infortunes · Ingress · Initiating Signs · Initiative Type · Injunct · Inspirational Natures · Intellectual Natures · Interlunar · Intercepted · Interpolation · Interpretation · Invariable Plane · Inversion · Ishtar · Isis and Osiris · Issat

J

Joined to · Joy · Julian Calendar · Julian Day

K

Kabala · Kakatyche · Karma · Katababazon · Kether · Key-Cycle · Kosmos · Krishna · Kronos

L

Labha bhava · Lagna · Lagna Sphutas · Latitude · Laya Centers · Leap Year · Leo · Life · Light · Collector of Light · Light of time · Light Planets · Light, Velocity of · Light-year · Lights · Lilith · Local Mean Time · Logarithms · Longitude · Lord · Lucifer · Luminaries · Lunar · Lunar Declination · Lunar Mansions · Lunar Month · Lunar semicircle · Lunar Year · Lunation · Embolismic Lunation · Periodical Lunation · Synodical Lunation

M

Magic · Magnetism · Magnitude · Major Planets · Malefic · Mansions of the Moon · Map · Marduk, or Asaru · Mark, Noon or Midnight · Martian · Masculine Degrees · Masculine planets · Masculine Signs · Maternal Signs · Matutine, Matutinal · Maya · Mean Motion · Mean Time · Measure of Time · Medical Astrology · Medium Coeli · Mediumship · Medusa's Head · Meridian · Meridian Distance · Meridional · Mesmerism · Metonic Cycle · Metonic Return · Micron · Midheaven · Midpoint · Milky Way · Minute · Moderators · Modus Rationalis · Moisture · Monad · Month · Month · Motion · Movable Signs · Mundane Aspects · Mundane Astrology · Mundane Directions, or Directions in Mundo · Mundane Parallel, or Parallel in Mundo · Music of the Spheres · Mutable Signs · Mute Signs · Mutilated Degrees · Mutual Application · Mutual Reception

N

Nadir · Naibod's Table of Times · Natal Astrology · Native · Nativity · Natural Day · Nebo · Temple of Nebuchadnezzar · Nebulae · Negative Sign · Neomenium · Neptune · New Year's Day · Night Houses · Ninib · Moon's Nodes · Nodes of the Planets · Nomes · North Point · Northern Signs · Nova

O

Obeying Signs · Oblique Ascendant · Oblique Ascension · Oblique Descension · Oblique Sphere · Occidental or Oriental · Occultation · Occursions · Occursor · Old Style · Opposition · Omniverse · Orbit · Orbital revolution · Oriental · Orbs · Orphic Mysteries · Ortive Difference

P

Pantheism · Pantheon · Parallel · Pars fortunae; Part of Fortune · Partile · Passive · Pavanna · Penumbral Eclipse · Peregrine · Perigee · Perihelion · Periodical Lunation · Phase · Phases · Phenomenon · Philosophy · Philosopher's Stone · Phoenon · Pisces · Classifications of Planets · Planetary Ages of Man · Planetary Anatomy · Planetary Angels · Planetary Colors · Planetary Days · Planetary Flavors · Planetary Forms · Planetary Hours · Planetary Jewels, or Precious Stones · Planetary Metals · Planetary Motions · Planetary Objects and Substances · Planetary Pathology, or physical ailments · Planetary Pattern · Planetary Periods, or Cycles · Planetary Physiology · Planetary Physiques · Planetary Psychology · Planetary Significators · Planetary Significators - Horary · Planetary Significators - Mundane · Planetary Spirits · Planetary Vegetation and Herbs · Planetary Vocations and Avocations · Planetary Years · Platic · Pluto · Point of Life · Point of Love · Polar Elevation · Polarity · Pole - of the Ascendant; of the Horoscope · Ponderous, or Ponderable planets · Posited · Positive sign · Practical Natures · Precession of Equinox and Pole · Precession of the Equinoxes · Predictions, in Mundane Astrology · Predictive Astrology · Prenatal Epoch · Prescience · Primary Directions · Prime Vertical · Primum Mobile · Principal Places · Process · Profections · Prognosis · Progressed Horoscope · Progressions · Progressions vs. Directions · Progressive Solar Revolution · Prohibition · Promittor · Proper Motion · Prophecy · Proportional Arcs · Prorogator · Psychography · Psychometry · Psychophobia · Ptolemaic Astrology · Pyrois

Q

Quadrantine Lunation · Quadrants · Quadrate, or Quartile · Quadratures · Quadrupedal · Quadruplicity · Quartile · Querent · Quesited · Quincunx · Quintile

R

Radical · Radical Position · Radix · Radix System · Rahu · Rapt Motion · Rapt Parallel · Under the Rays · Reception · Mutual Reception · Recessional Directions · Rectification · Recurrence Cycles · Refranation · Relative Houses · Retrograde · Retrograde Application · Revolution · Revolutionary Additives · Right Ascension · Right Distance · Right Sphere · Rising Sign · How to Approximate the Rising Time of a Planet · Rotation · Royal Stars · Ruler · Geographical Rulership · Ruminant Signs

S

Sagittarius · Saros · Saturn chasing the Moon · Saturnine · Saturnalia · Satellite · Satellitium · Scorpio · Secondary Progressions · Seer · Semi-Arc · Semi-Quintil · Semicircle · Semi-sextile · Semi-square · Significators of the Senses · Separating, separation · Sesqui-quadrate · Sesquiquintile · Seven · Sexagenary · Sextile · Sextiles · Sidereal Clock · Sidereal Day · Sidereal Time · Sidereal Year · Sign · Signs and the Disciples · The Symbology of Twelve Signs · Sign: Aries · Sign: Taurus · Sign: Gemini · Sign: Cancer · Sign: Leo · Sign: Virgo · Sign: Libra · Sign: Scorpio · Sign: Sagittarius · Sign: Capricorn · Sign: Aquarius · Sign: Pisces · Classifications of Signs · Sympathetic · Significator · Sinister · Slow of Course · Sol · Solar Astrology · Solar Cycle, or Cycle of the Sun · Solar Day · Solar Equilibrium · Solar Revolution · Solar Semicircle · Solar System · Solar System bodies: Sun · Solar System Bodies: Moon · Solar System Bodies: Mercury · Solar System bodies: Venus · Solar System Bodies: Earth · Solar System Bodies: Mars · Solar System Bodies: Asteroids · Solar System Bodies: Jupiter · Solar System bodies: Saturn · Solar System Bodies: Uranus · Solar System bodies: Neptune · Solar System bodies: Pluto · Solar Time · Solar Year · SOL-om-on · Solomon's Seal · Solomon's Temple · Solstices · South Latitudes · Southern Signs · Spectroscope · Speculum · Sphere · Sphinx · Square · Standard Time · Star of Bethlehem · Stars · Stationary · Stations · Stellium · Strength of a planet · Succedent Houses · Sunspot Cycle · Supercycle · Superior Planets · Synodical Lunation · Synthesis · Syzygy

T

Tables of Houses · T-cross · Taurus · Telepathy · Telescope · Temporal Houses · The Terminal Houses · Terms of the planets · Testimony · Tetrabiblios · Tetractys - ten symbolic dots · Tetragon · Thema Coeli · Throne · Time · Time. Correction of Mean to Sidereal Time · Transit · Transit of a planet across the Sun · Transitor · Translation of Light · Transmutation · Trigon · Trigonocrators · Trimorion · Trine · Trinities · Triplicities · Tropical Signs · Tropical Year · True Solar Day · Trutine · Twilight

U

Umbral Eclipse · Under the Sunbeams · Unfortunate Signs · Urania · Uranian · Uranian Astrology · Uranus

V

Vernal Equinox · Vertical · Vespertine · Via Combusta · Vibrations · Violent Signs · Virgo · Visibility · Vital Signs · Vocal Signs · Signs of Voice · Void of Course · Vulcan

W

War Time · Watchers of the Heavens · Water-bearer, Waterman · Water Signs · Wave Length · Weak Signs · Whole Signs

Y

Year

Z

Zodiac · Zodiacal Aspects · Zodiacal Directions · Zodiacal metals · Zodiacal Parallels · "Zodiacus Vitae." The Zodiac of Life. · Zero Hour Circles · Zenith

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