Cluster(s) may refer to:

Science and technology edit

Astronomy 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

Equipment 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

Music edit

Other media edit

Urban development edit

Other uses edit

See also edit