Dictionary term
Globular Cluster
Direct answer
Globular Cluster: A Globular Cluster is a dense, roughly spherical system of old stars gravitationally bound around a galaxy.
It is a compact ancient stellar population.
It is a compact ancient stellar population.
A scientific orientation to scale, light, or motion; the article supplies the precise definition.Quick reference
- Use when
- Use resolved color-magnitude data and avoid assuming every cluster has one simple population.
- Do not use it for
- Globular clusters are far denser and generally older than open clusters.
- Reference category
- Astronomy & Skywatching
- Related terms
- Dark Nebula, Open Star Cluster, Spiral Galaxy, Elliptical Galaxy
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The story behind Globular Cluster
Globular clusters became key distance and population markers in twentieth-century galactic astronomy.
Globular Cluster in spiritual tradition
Ancient communities can survive while their members continually interact.
Globular Cluster: fact and faith, kept distinct
This is a factual astronomy reference. It can support wonder at the created order without becoming a claim of fate, worship, or private revelation.
Globular Cluster in numerology
Globular 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 Globular Cluster matters
It traces early galaxy history and provides tests of old stellar evolution and dynamics.
Globular Cluster at work: an example
A telescope can resolve outer stars while the crowded core remains a granular glow.
Where interpretation stops
Globular 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: Galaxies - NASA overview of galaxy structure, types, groups, clusters, and the Milky Way.
- Source
- The Great Almanac Dictionary
- Category
- Astronomy & Skywatching
- Also appears in
- Astronomy & Skywatching
- Aliases
- None listed
- Last updated
- 2026-07-16
Enter a dense sphere of old stars
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More in Astronomy & Skywatching
- Limiting Magnitude
- Orbital Period
- Pulsar
- Supernova
- Angular Resolution
- Atmospheric Refraction
- Declination Circle
Common questions
What is Globular Cluster?
A Globular Cluster is a dense, roughly spherical system of old stars gravitationally bound around a galaxy.
How is Globular Cluster used in an almanac?
Use resolved color-magnitude data and avoid assuming every cluster has one simple population.
What should I avoid when interpreting Globular Cluster?
Globular clusters are far denser and generally older than open clusters.
