December 7 birthday gemini horoscope

The principle of the vernal point acting as the first degree of the zodiac for Greek astronomers is also described in the 1st century BC astronomical text of Geminus of Rhodes. Geminus explains that Greek astronomers of his era associate the first degrees of the zodiac signs with the two solstices and the two equinoxes, in contrast to the older Chaldean Babylonian system, which placed these points within the zodiac signs.

Ptolemy also demonstrates that the principle of the tropical zodiac was well known to his predecessors within his astrological text, the Tetrabiblos , where he explains why it would be an error to associate the regularly spaced signs of the seasonally aligned zodiac with the irregular boundaries of the visible constellations:.

These events can be useful, for example, to estimate the cross-sectional dimensions of a minor planet , or check a star for a close companion. The Sun's placement upon the vernal equinox, which occurs annually around 21 March, defines the starting point for measurement, the first degree of which is historically known as the " first point of Aries ".

Zodiac Signs: Know All About Your Sun Signs

Zodiac signs have never been used to determine the boundaries of astronomical constellations that lie in the vicinity of the zodiac, which are, and always have been, irregular in their size and shape. The use of the zodiac as a means to determine astronomical measurement remained the main method for defining celestial positions by Western astronomers until the Renaissance, at which time preference moved to the equatorial coordinate system , which measures astronomical positions by right ascension and declination rather than the ecliptic-based definitions of celestial longitude and celestial latitude.

The word "zodiac" is also used in reference to the zodiacal cloud of dust grains that move among the planets, and the zodiacal light that originates from their scattering of sunlight. In Unicode, the symbols of zodiac signs are encoded in block "Miscellaneous Symbols": [53]. From Wikipedia, the free encyclopedia. This is the latest accepted revision , reviewed on 5 October For the East Asian zodiac based on the Jovian orbital cycle, see Chinese zodiac. For other uses, see zodiac disambiguation. Further information: Former constellations.

Further information: Babylonian star catalogues and MUL. Main article: Astrological sign. Further information: Axial precession , Epoch astronomy , Sidereal and tropical astrology , Astrological age , and Ayanamsa. Astronomical symbols Chinese zodiac Circle of stars Cusp astrology Elements of the zodiac. Oxford Dictionaries. Oxford University Press. Retrieved 19 September The Signs of the Zodiac. Wilcox, London, p.

Taurus: April 21 - May 21

See also Lankford, John; Rothenberg, Marc History of Astronomy: An Encyclopedia. The Almagest. Translated and annotated by G. Toomer ; with a foreword by Owen Gingerich. The introduction of the uniform zodiac", Archive for History of Exact Sciences , 64 6 : —, doi : The Mesopotamian traditions. Astronomical Data Service. Page Lennart Geminos's Introduction to the Phenomena. Princeton University Press. Ptolemy's Tetrabiblos.

Astrology Classics. Project Hindsight.

Born on the 7th of December - Happy Birthday!

Retrieved 4 July Hinduism: An Alphabetical Guide. Penguin Books India.


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London: Board of Longitude, Patrick Grim ed. Philosophy of science and the occult. Ptolemy's Catalogue of Stars: a revision of the Almagest. Carnegie Institution of Washington, Catesby Taliaferro ed. Ptolemy refers to the constellation as Septentarius "the serpent holder". October The Observatory.

Bibcode : Obs He later issued a statement to say he had not reported that the zodiac ought to include 13 signs instead of 12, but was only mentioning that there were 13 constellations; reported in Mad Astronomy : Why did your zodiac sign change? International Planetarium Society.

Sagittarius traits

Retrieved 21 March The date in other time zones may vary. The Unicode Standard. History of the Zodiac. Sophia Academic Press. Lee T.

December 7 Birthday Horoscope

Random House, Inc. Retrieved 21 May Retrieved 7 May Retrieved 6 March Rubie Zodiac category. The Zodiac. Ancient Greek astronomy. Babylonian astronomy Egyptian astronomy.


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  5. Medieval European science Indian astronomy Medieval Islamic astronomy. History of astrology Astrology and science Astrology and astronomy Musica universalis Tetrabiblos. Astrologers by nationality List of astrologers. Astrology and science Archaeoastronomy Astrological age Astrological aspect Astrological symbols Astrology and the classical elements Cultural influence of astrology Planets in astrology Zodiac.

    Sagittarius Horoscope: Sagittarius Zodiac Sign Dates Compatibility, Traits and Characteristics

    Authority control GND : Categories : Ancient astronomy Astrological signs Astrology Celestial coordinate system Constellations Early scientific cosmologies. Hidden categories: Webarchive template wayback links Articles containing Ancient Greek-language text Articles containing Greek-language text Wikipedia pages semi-protected against vandalism Articles containing Latin-language text All articles with unsourced statements Articles with unsourced statements from October Articles with unsourced statements from September Articles containing Sanskrit-language text Articles containing Sumerian-language text Articles containing Akkadian-language text Articles with unsourced statements from July Use dmy dates from September Wikipedia articles with GND identifiers.

    Namespaces Article Talk. Views Read View source View history. In other projects Wikimedia Commons. Be careful to avoid the negative influence of fire, which included impatience and impulsiveness.

    December 7 Birthday Horoscope

    Jupiter is the ruling planet of your sign, but as you were born in the second Decan, or part, of the sign, you are also subject to the planetary influence of Mars. Your unique combination of planetary influence makes you more spontaneous and assertive than other Sagittarius Decans. Your fearlessness and enthusiasm will always be amongst your greatest strengths, but its your bold honesty that may become a weakness. Take time to realize when your blunt nature is offending others. In love, find a partner that values honesty and adventure, as this will bring you the most happiness and satisfaction.

    A Sagittarius born on December 7 has great wisdom and occult knowledge, which allows him or her to perceive life on many levels.