From Wikipedia, the free encyclopedia

Cluster(s) may refer to:

Science and technology[edit]


  • Cluster (spacecraft), constellation of four European Space Agency spacecraft
  • Cluster II (spacecraft), a European Space Agency mission to study the magnetosphere
  • Asteroid cluster, a small asteroid family
  • Galaxy cluster, large gravitationally bound groups of galaxies, or groups of groups of galaxies
  • Supercluster, the largest gravitationally bound objects in the universe, composed of many galaxy clusters
  • Star cluster
    • Globular cluster, a spherical collection of stars whose orbit is either partially or completely in the halo of the parent galaxy
    • Open cluster, a spherical collection of stars that orbits a galaxy in the galactic plane

Biology and medicine[edit]

  • Cancer cluster, in biomedicine, an occurrence of a greater-than-expected number of cancer cases
  • Cluster headache, a neurological disease that involves an immense degree of pain
  • Cluster of differentiation, protocol used for the identification and investigation of cell surface molecules present on white blood cells
  • Winter cluster, in beekeeping, a well-defined cluster of honey bees in cold temperatures
  • Disease cluster, a grouping of cases of disease
  • Gene cluster, a group of genes (or proteins, or metabolites) whose expression or concentration is similar across a range of conditions
  • Cluster of microorganisms, as in a colony

Computer science[edit]


Math and statistics[edit]

  • Cluster analysis, a set of techniques for grouping a set of objects based on intrinsic similarities
  • Cluster sampling, a sampling technique used when "natural" groupings are evident in a statistical population
  • Cluster graph, in graph theory, a disjoint union of complete graphs
  • Clusterable graph, in balance theory
  • Cluster algebra, a class of commutative rings used in representation theory

Other uses in science and technology[edit]

Arts and media[edit]


Other media[edit]

Urban development[edit]

Other uses[edit]

See also[edit]