Ptolemy's Tetrabiblos: What Does the Foundational Book of Western Astrology Say?
Ptolemy's Tetrabiblos has four books setting out astrological principles, planetary influences, and why Ptolemy treated astrology as conjectural knowledge.
Results for "Ptolemy"
Where Did Astrology Begin: From Mesopotamian Celestial Omens to the Personal Chart
The oldest personal chart is a Babylonian tablet from around the 5th century BCE. This study follows astrology from Mesopotamian omens to Greece and Persia.
Sun and Moon in Astrology: Reading the Sun Sign and Moon Sign Together
Alan Leo (1910) gave the Sun sign to the individual and the Moon sign to the personality, reading 144 pairs together. We read his text and note its limits.
Virgo and Mercury: The Ruling Planet Connection in Astrology
Explore the deep connection between Virgo and its ruling planet Mercury: origins, influence mechanisms, and expressions in personality, love, and career.
Western Astrology: The 12 Basic Zodiac Signs
The 12 zodiac signs began with Babylonian sky watching and Ptolemy's system. Precession means they no longer match the constellations.
Is Ophiuchus the 13th zodiac sign? IAU constellation boundaries and why astrology keeps 12 signs
Ophiuchus is not a 13th zodiac sign: the Sun crosses 13 IAU constellations, but Western astrology uses 12 equal 30 degree signs from the equinox.
Do Western Astrology and Eastern Tử Vi Share a Common Origin? A Comparative History of the Two Systems
Greek and Indian astrology reached Tang China through Buddhism, yet Tử Vi Đẩu Số and Bát Tự run on the can chi calendar and ngu hanh, not Western star logic.
What is a Sun Sign? Distinguishing It from the Astronomical Zodiac
A Sun Sign comes from the Sun's position at your birth in the tropical zodiac, which differs from the actual constellation position.
Do Highly Educated People Believe Less in Fortune Telling? Intuitive Thinking, Analytical Thinking, and Paranormal Belief
Higher education goes with lower belief in fortune telling, but the correlation is modest and mostly runs through thinking style rather than through degrees.
What Do La Hầu, Kế Đô and the Moon's North and South Nodes Have in Common?
La Hầu and Kế Đô in Cửu Diệu are the Moon's orbital nodes, the North and South Nodes, which Indian, Vietnamese and Western traditions read differently.
What Is a Saturn Return, and Why Do People Often Face a Crisis Around Age 29?
Saturn return is the 29.46-year cycle when Saturn returns to its birth position: the mechanism, the ages 29 and 58, and research on the near-30 crisis.