Dictionary term
Open Star Cluster
Direct answer
Open Star Cluster: An Open Star Cluster is a relatively young, loosely bound group of stars formed from the same molecular cloud.
It is a sparse stellar family in a galactic disk.
- Source
- The Great Almanac Dictionary
- Category
- Astronomy & Skywatching
- Also appears in
- Astronomy & Skywatching
- Aliases
- None listed
- Last updated
- 2026-07-16
Quick reference
- Use when
- Separate true members using position, motion, distance, and chemistry.
- Do not use it for
- Not every apparent star grouping is gravitationally or historically related.
- Reference category
- Astronomy & Skywatching
- Related terms
- Reflection Nebula, Dark Nebula, Globular Cluster, Spiral Galaxy
The story behind Open Star Cluster
Proper-motion and color-magnitude studies transformed visual groupings into physical membership lists.
Open Star Cluster in spiritual tradition
Common origin can persist after a family begins dispersing.
The Great Almanac frames Open Star Cluster with educational restraint. Mystical or symbolic language may be meaningful, but it should not be exaggerated into certainty, panic, or permission to ignore ordinary responsibility.
Open Star Cluster in the Bible
This is a factual astronomy reference. It can support wonder at the created order without becoming a claim of fate, worship, or private revelation.
Open Star Cluster in numerology
Open Star Cluster 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 Open Star Cluster matters
Shared age and composition make open clusters laboratories for stellar evolution.
Example in a reading: The Pleiades contains hot young stars embedded in a broader moving population.
Interpretive caution: Not every apparent star grouping is gravitationally or historically related.
How Open Star Cluster is used in a reading
Separate true members using position, motion, distance, and chemistry.
Where interpretation stops
Open Star Cluster 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:
- NASA Science: Stars - NASA overview of stellar birth, main-sequence evolution, giant phases, remnants, and supernovae.
- NASA Science: Universe Glossary - NASA definitions for common stellar, galactic, orbital, and high-energy astronomy terms.
The page starts with a direct definition, then separates use, example, caution, spiritual meaning, and historical context. For astrology, occult, demonology, curse, and spiritual warfare terms, the editorial rule is to explain the term without making fear-based, fatalistic, medical, legal, financial, or ritual-instruction claims.
Continue learning
Continue from the definition into current sky positions, space weather, and the live collective celestial view.
Open Worldwide WatchRelated terms
These related entries help place Open Star Cluster inside a wider reference cluster instead of leaving it as a standalone keyword.

