球きゅう状じょう星せい団だん

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Meanings

1

noun

globular cluster

astronomy

Technical term in astronomy for a spherical collection of stars orbiting a galactic core.

球ball, sphere

状status quo, conditions, circumstances

星star, spot, dot

団group, association

散さん開かい星せい団だん
An open cluster, which is a looser, less dense grouping of stars compared to a globular cluster.

Compound of 球状 (spherical) + 星団 (star cluster).