Algol, in the constellation Persus

Definition

Algol is a prominent eclipsing binary star in the constellation Perseus, traditionally identified with the severed head of Medusa. Also known as Beta Persei, it periodically appears to dim as one component passes in front of another. Astrologers treat Algol as a fixed star, interpreting it primarily through close conjunctions with planets, the Ascendant, Midheaven, or other sensitive chart points.

Astrological Meaning

In traditional astrology, Algol was associated with danger, loss of control, violence, and extreme circumstances. Contemporary interpretations often approach this symbolism more cautiously, connecting the star with intense emotion, confrontation, survival instincts, and experiences that demand composure under pressure. A strong Algol contact does not guarantee calamity. Its expression depends on the contacted planet or angle, the condition of that factor, and the wider natal chart. Constructively, it may accompany resilience, fierce determination, or a willingness to face subjects others avoid.

Why It Matters

Algol matters because fixed stars can add a distinctive layer to chart interpretation when their contacts are very close. Its position should be calculated for the chart’s date, since precession affects zodiacal longitude over time. Astrologers usually prioritize conjunctions and use a narrow orb rather than treating Algol like a planet or zodiac sign. Examining the complete chart helps prevent dramatic traditional descriptions from being taken literally or fatalistically.

Related Encyclopedia Entries

• Fixed Stars
• Perseus
• Traditional Astrology
• Natal Chart
• Astrological Aspects
• Ascendant