MODULE:KNOWLEDGE-BASE
SIMULATION: ACTIVE
RETURN::Star Systems

Open Cluster

Stellar Nurseries & Co-Moving Groups

75-Star Open Cluster

Stars distributed by a King-like profile concentrated toward the centre. Spectral mix is biased toward hot blue-white stars (typical of young clusters). Faint background nebulosity hints at the recent formation event.

Born Together

An open cluster is a family of hundreds to thousands of stars formed from the same molecular cloud. They share an age, composition, and roughly the same kinematic motion through the galaxy.

Unlike binaries, the gravitational binding is weak. Over hundreds of millions of years tidal forces from the galaxy and close encounters with other masses gradually disperse the cluster — its members spread into a moving group sharing only common motion.

The Sun likely formed in such a cluster ~4.6 Gyr ago. Its siblings are now scattered around the galaxy.

Open vs Globular
OpenHundreds–thousands; young; metal-rich; in galactic disc
Globular10⁵–10⁶ stars; ~12 Gyr; metal-poor; orbit galactic halo
EmbeddedStill inside their formation nebula (Trapezium, NGC 6611)
AssociationsOB associations — looser, gravitationally unbound from start
ED: Cluster POIs

Elite Dangerous includes named clusters as visited POIs. Pleiades, Hyades, and Praesepe are travel destinations — and the Pleiades is where most of the Thargoid presence concentrated.

Inside a cluster, hop distances between systems are short. You'll see neighbouring stars as bright stellar disks even from supercruise — because they really are close.

Globular clusters lie above and below the galactic plane — getting there requires careful FSD planning. They're among the oldest objects in the galaxy.

Notable Clusters
ClusterAgeMembersDistanceNote
Pleiades (M45)~100 Myr~3,000444 lyThe Seven Sisters — visible to naked eye
Hyades~625 Myr~400153 lyClosest cluster to the Sun
Praesepe (M44)~600 Myr~1,000577 lyBeehive Cluster — older open cluster
Double Cluster (h+χ)~14 Myr~10,0007,500 lyTwo coincident clusters in Perseus
ω Centauri (NGC 5139)~12 Gyr~10⁷17,090 lyGlobular — densely packed, ancient population
M13~12 Gyr~10⁵22,200 lyHercules Globular — bright northern target
Trapezium (θ¹ Ori)<1 Myr~51,344 lyEmbryonic — still forming inside the Orion Nebula