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Astrology and astronomy were archaically treated together (Latin: astrologia), but gradually distinguished through the Late Middle Ages [1] into the Age of Reason. Developments in 17th century philosophy resulted in astrology and astronomy operating as independent pursuits by the 18th century.
A Venn diagram is a widely used diagram style that shows the logical relation between sets, popularized by John Venn (1834–1923) in the 1880s. The diagrams are used to teach elementary set theory, and to illustrate simple set relationships in probability, logic, statistics, linguistics and computer science.
In the upper diagram, the Earth (blue-filled circle) in its orbit sweeps the parallax angle subtended on the Sun (yellow-filled circle). The lower diagram shows the equal angle swept by the Sun in a geostatic model. A similar diagram can be drawn for a star except that the angle of parallax would be minuscule.
A diagram in Byzantine astronomer Johannes Kamateros's 12th century Compendium of Astrology shows the Sun represented by the circle with a ray, Jupiter by the letter Zeta (the initial of Zeus, Jupiter's counterpart in Greek mythology), Mars by a shield crossed by a spear, and the remaining classical planets by symbols resembling the modern ones ...
Judicial astrology – Form of astrology for forecasting events; Locational astrology – Astrology that factors in locations on Earth; Medical astrology – Astrology of the human physiology; Meteorological astrology – Using astrology for weather forecasting; Mundane astrology – Branch of astrology dealing with politics, government, and law
The ancient Hebrews, like all the ancient peoples of the Near East, believed the sky was a solid dome with the Sun, Moon, planets and stars embedded in it. [4] In biblical cosmology, the firmament is the vast solid dome created by God during his creation of the world to divide the primal sea into upper and lower portions so that the dry land could appear.
A Sextile [15] (abbreviated as "SXt or Sex") is an angle of 60°, which is 1 ⁄ 6 of the 360° ecliptic or 1 ⁄ 2 a trine (120°). Depending on the involved planets, an orb of 4-5° is allowed. The symbol is the radii of a hexagon.
[5]: 249 [6] Although astrology has no scientific validity, astrological beliefs have impacted human history [7] and astrology has helped to drive the development of astronomy. Modern scientific inquiry into astrology is primarily focused on drawing a correlation between astrological traditions and the influence of seasonal birth in humans.