Dictionary term
Rasalhague
Direct answer
Rasalhague is Alpha Ophiuchi, a rapidly rotating star marking the head of Ophiuchus.
Rasalhague is the bright head star of the Serpent Bearer.
Rasalhague is the bright head star of the Serpent Bearer.
A symbolic locator, not a substitute for an observational chart at a specific place and time.Quick reference
- Use when
- Find Rasalhague southeast of Hercules and pair it with nearby Ras Algethi before tracing Ophiuchus southward.
- Do not use it for
- Rasalhague and Ras Algethi are nearby in appearance but belong to different constellations and systems.
- Reference category
- Constellations & Star Lore
- Related terms
- Scheat, Enif, Ras Algethi, Kochab
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The story behind Rasalhague
The Arabic-derived name means head of the serpent collector or bearer and encodes its map position.
Rasalhague in spiritual tradition
Rasalhague turns a subtle sprawling figure into a constellation with a clear beginning.
Rasalhague: fact and faith, kept distinct
This is a factual sky reference. It can support wonder and orientation without turning a measured position or inherited pattern into a claim of fate or private revelation.
Rasalhague in numerology
Rasalhague is not a numerology claim. Any numbers attached to it should retain their ordinary scientific, calendrical, navigational, or historical meaning unless a separate symbolic interpretation is clearly labeled.
Why Rasalhague matters
Its position anchors a large constellation whose body can otherwise be difficult to distinguish above Scorpius.
Rasalhague at work: an example
Modern measurements show rotational flattening and a faint stellar companion.
Where interpretation stops
Rasalhague is presented as sourced astronomy, calendrical, Earth-science, cultural, or instrument-history reference. Definitions should distinguish measured phenomena from civil convention and historical interpretation, preserve location and time dependencies, and avoid turning factual sky data into a deterministic personal claim.
Sources and editorial method
Research references used for this entry include:
- IAU Division C Working Group on Star Names - Official IAU working group responsible for standardizing star names used in international astronomy.
- CDS SIMBAD Astronomical Database - Professional astronomical database for stellar identifiers, positions, classifications, and bibliography.
- Source
- The Great Almanac Dictionary
- Category
- Constellations & Star Lore
- Also appears in
- Constellations & Star Lore
- Aliases
- None listed
- Last updated
- 2026-07-16
Begin Ophiuchus at its head
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Common questions
What is Rasalhague?
Rasalhague is Alpha Ophiuchi, a rapidly rotating star marking the head of Ophiuchus.
How is Rasalhague used in an almanac?
Find Rasalhague southeast of Hercules and pair it with nearby Ras Algethi before tracing Ophiuchus southward.
What should I avoid when interpreting Rasalhague?
Rasalhague and Ras Algethi are nearby in appearance but belong to different constellations and systems.










