玄ZenTellATLAS OF WISDOM TRADITIONS

Western astrology / ENCYCLOPEDIA

Planets and symbolism

行星与象征

The astrological word planet often includes the Sun and Moon. Classical luminaries and modern outer planets belong to different historical inventories.

Introductory article2 min readUpdated 2026-09-30AI-assisted · Editorially checked

At a glance

Identification point
The classical seven include both luminaries.

Definition and identification

Classical astrology uses the Sun, Moon, Mercury, Venus, Mars, Jupiter and Saturn as its seven principal actors. Astronomically the Sun is a star and the Moon a satellite; the astrological grouping reflects an older observational vocabulary. Glyphs make charts readable, but their usefulness does not validate the associated personality descriptions.

Structure and reading rules

A planet entry can separate longitude, sign, house and angular relationships before considering symbolism. Classical dignity systems include domicile and exaltation; modern psychological readings often use motivations or developmental themes. Uranus, Neptune and Pluto entered astrological interpretation much later and should not be silently inserted into an ancient seven-body table.

Concrete example

Ptolemy discusses the seven bodies through qualities such as heat and moisture. A modern guide may associate Mars with action or Venus with relationships. Comparing one body across an ancient description, a modern keyword list and its astronomical classification demonstrates changing vocabulary. It is not an experiment attributing an individual’s actions to a celestial body.

Historical context and limits

Benefic and malefic are historical technical labels modified by context, including day or night and position. They should not become moral judgments about people. Pluto’s astronomical classification and continued astrological use are separate questions. Sources show how writers interpreted the sky; predictive effects require separately specified and testable evidence.

References & further reading

Historical sources document ideas and rules of their time, not empirical proof of predictive accuracy. Source notes identify the nature and scope of each reference.

  1. Ptolemy, Tetrabiblos, Book IPrimary / tradition source

    Primary evidence for Ptolemy’s classifications and aspects, not modern evidence for efficacy.

  2. Sepharial, Astrology: How to Make and Read Your Own Horoscope (1920)Primary / tradition source

    Modern practitioner manual for chart construction and timing; its scientific and health claims are not endorsed.