A-Z Terminology

A Comprehensive Guide to Astrological Concepts

A E H M S T

A

Ascendant (Rising Sign)

The zodiac sign that was rising on the eastern horizon at the specific time and location of an event or birth. In cultural astrology, it represents the interface between the individual and the world.

E

Ephemeris

A table or data file providing the calculated positions of celestial bodies in the sky at regular intervals throughout a period of time. This is a fundamental tool for historical astronomical tracking.

H

House

A division of the ecliptic plane into twelve segments. In Various cultural systems, these houses represent different spheres of human experience or life departments.

M

Midheaven (Medium Coeli)

The highest point in the sky relative to the observer at the time of an event. Often associated with one's public standing and historical legacy in professional contexts.

S

Square

An aspect formed when two celestial bodies are approximately 90 degrees apart. Historically viewed as a point of dynamic tension or a call to action within a system.

T

Trine

An aspect formed when two celestial bodies are approximately 120 degrees apart. Traditionally associated with harmony and the ease of flow between different celestial energies.

Looking for more specific historical context? Visit our History Archive.

Vintage celestial sphere and coordinate system diagram