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.

Astronomy & SkywatchingThe Great Almanac DictionaryUpdated 2026-07-16
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:

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 Watch

These related entries help place Open Star Cluster inside a wider reference cluster instead of leaving it as a standalone keyword.

Reflection NebulaIt shines by reflected starlight rather than ionized-gas emission. Dark NebulaIt appears as a silhouette against brighter stars or emission. Globular ClusterIt is a compact ancient stellar population. Spiral GalaxyIt is a disk galaxy patterned by spiral arms. AstronomyAstronomy is the science of celestial objects, space, and the physical universe. SkywatchingSkywatching is direct observation of the changing day and night sky.

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