This results in the originally unified zodiacal coordinate system drifting apart gradually, with a clockwise westward precession of 1. For the tropical zodiac used in Western astronomy and astrology, this means that the tropical sign of Aries currently lies somewhere within the constellation Pisces " Age of Pisces ". The sidereal coordinate system takes into account the ayanamsa , ayan meaning transit or movement , and amsa meaning small part , i.
It is unclear when Indians became aware of the precession of the equinoxes, but Bhaskara 2 's 12th-century treatise Siddhanta Shiromani gives equations for measurement of precession of equinoxes, and says his equations are based on some lost equations of Suryasiddhanta plus the equation of Munjaala.
ARIES (March 21 - April 19)
The discovery of precession is attributed to Hipparchus around BC. Ptolemy quotes from Hipparchus' now lost work entitled "On the Displacement of the Solstitial and Equinoctial Points" in the seventh book of his 2nd century astronomical text, Almagest , where he describes the phenomenon of precession and estimates its value. 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 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": . From Wikipedia, the free encyclopedia. This is the latest accepted revision , reviewed on 10 November 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. 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.
February 26 Birthday Astrology | HowStuffWorks
Page Lennart Geminos's Introduction to the Phenomena. Princeton University Press. Ptolemy's Tetrabiblos. Astrology Classics. Project Hindsight. Retrieved 4 July Hinduism: An Alphabetical Guide.
Penguin Books India. 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, You are more sensitive artistically, your imagination is stirred, and you have an increased appreciation for subtleties. You are inspired and could even inspire others with your words.
Some of your hunches could be prophetic. You are thinking more creatively, and express yourself with more sensitivity, compassion, and warmth. You may be actively involved in teamwork and collaboration with others this year. You have a stronger ability to direct your energies into meaningful activities. In some ways, you can be quite self-contained as you pursue passion projects. However, you may need to watch for hooking onto impractical ventures. At times you may feel a little lacking in direction, but give yourself some time to find it. This is a powerful year for both getting important areas of your life organized and for creative or imaginative ventures.
This is a good time to stabilize your life in key areas, although there can be some sparks in your social or love life. Ruled by Jupiter. This is a year of sociability. It is a friendly time when you find it natural and easy to enjoy life and other people. The focus is on personal freedom, reaching out to others, making new friends, and exploration. You are more enthusiastic and ready for adventure than you are in other years.
It's likely to be a rather lighthearted year when opportunities for "play" time are greater than usual. It's also a favorable year for expressing your creativity. Advice - reach out and connect but avoid scattering your energies. Ruled by Uranus. This is a year of work and development.
The Man of Signs (Zodiac Man)
It's "nose to the grindstone" time. It's a time to pay special attention to practical matters, and it's not a time to be lazy or especially gregarious. Positive new relationships are often not formed in a Four personal year. However, it can be a wonderful year for building, development, and laying a solid foundation for future successes.
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Advice - get yourself organized, work to build your resources, keep busy. These lengthy, detailed, and comprehensive reports reveal the themes and circumstances you are likely to encounter in the coming year and are based on your actual birthday, time, and place, as well as your current place of residence. This report also makes a great birthday present—for yourself or others.
See a sample of one of these reports here , and find out more information about this personalized birthday forecast here. O f all the planets within our solar system, Mercury is nearest to the Sun. There is a direct correspondence to this fact in the mapping of an individual's birth chart.
I t is likely that you will be able to determine where Mercury was at the time of your birth without consulting an astrologer. By reading the three potential profiles, it is often uncanny how clearly one of them will fit to us.
I thought you would enjoy trying this out for yourself. I am always interested to know what you think and discover. Feel welcome to write! Material is currently being developed on the other planets. If you are interested, we would be pleased to keep you updated on their progress. P isceans are not practical people. They are too ephemeral for normal day to day living in the "practical" world. They are sensitive and instinctual rather than intellectual or mechanical. They lack decisiveness and are easily diverted from their purposes.
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