• Thumbnail for Cluster 5
    Cluster 5 is a designation used by the Danish Statens Serum Institut for a virus variant described by the institute in autumn 2020, in connection with...
    34 KB (3,519 words) - 12:34, 10 April 2024
  • Thumbnail for Messier object
    Catalogue des Nébuleuses et des Amas d'Étoiles (Catalogue of Nebulae and Star Clusters). Because Messier was interested only in finding comets, he created a list...
    70 KB (2,317 words) - 02:07, 20 March 2024
  • Thumbnail for Computer cluster
    computer cluster is a set of computers that work together so that they can be viewed as a single system. Unlike grid computers, computer clusters have each...
    34 KB (3,747 words) - 08:49, 16 March 2024
  • Thumbnail for Messier 5
    Messier 5 or M5 (also known as NGC 5904 or the Rose Cluster) is a globular cluster in the constellation Serpens. It was discovered by Gottfried Kirch in...
    10 KB (899 words) - 08:57, 24 February 2024
  • Thumbnail for Spinach
    1–0.2 in) in diameter, and mature into a small, hard, dry, lumpy fruit cluster 5–10 mm (0.2–0.4 in) across containing several seeds. In 2021, world production...
    18 KB (1,942 words) - 03:48, 27 April 2024
  • Thumbnail for Cluster munition
    A cluster munition is a form of air-dropped or ground-launched explosive weapon that releases or ejects smaller submunitions. Commonly, this is a cluster...
    123 KB (12,104 words) - 13:28, 26 April 2024
  • Thumbnail for Phoenix Cluster
    The Phoenix Cluster (SPT-CL J2344-4243) is a massive, Abell class type I galaxy cluster located at its namesake, southern constellation of Phoenix. It...
    13 KB (1,423 words) - 18:37, 26 April 2024
  • Thumbnail for Virgo Cluster
    The Virgo Cluster is a large cluster of galaxies whose center is 53.8 ± 0.3 Mly (16.5 ± 0.1 Mpc) away in the constellation Virgo. Comprising approximately...
    24 KB (2,094 words) - 14:38, 2 February 2024
  • hierarchical clustering (also called hierarchical cluster analysis or HCA) is a method of cluster analysis that seeks to build a hierarchy of clusters. Strategies...
    26 KB (2,897 words) - 02:45, 28 April 2024
  • refers to a method of interpretation and validation of consistency within clusters of data. The technique provides a succinct graphical representation of...
    13 KB (2,108 words) - 19:58, 3 April 2024
  • Thumbnail for Open cluster
    An open cluster is a type of star cluster made of tens to a few thousand stars that were formed from the same giant molecular cloud and have roughly the...
    51 KB (6,248 words) - 01:28, 6 February 2024
  • Thumbnail for Beehive Cluster
    The Beehive Cluster (also known as Praesepe (Latin for "manger", "cot" or "crib"), M44, NGC 2632, or Cr 189), is an open cluster in the constellation Cancer...
    18 KB (1,932 words) - 13:15, 19 January 2024
  • Thumbnail for Messier 13
    called the Great Globular Cluster in Hercules, the Hercules Globular Cluster, or the Great Hercules Cluster), is a globular cluster of several hundred thousand...
    15 KB (1,468 words) - 08:58, 24 February 2024
  • Thumbnail for Cluster analysis
    Cluster analysis or clustering is the task of grouping a set of objects in such a way that objects in the same group (called a cluster) are more similar...
    69 KB (8,803 words) - 15:53, 27 April 2024
  • Thumbnail for Globular cluster
    A globular cluster is a spheroidal conglomeration of stars that is bound together by gravity, with a higher concentration of stars towards their centers...
    105 KB (11,846 words) - 13:26, 27 April 2024
  • Thumbnail for Pleiades
    and other names by different cultures, is an asterism and an open star cluster containing middle-aged, hot B-type stars in the north-west of the constellation...
    45 KB (5,009 words) - 21:33, 23 April 2024
  • business cluster is a geographic concentration of interconnected businesses, suppliers, and associated institutions in a particular field. Clusters are considered...
    24 KB (2,975 words) - 11:48, 4 April 2024
  • failed maiden flight of the Arianespace Ariane 5 rocket, vehicle no. 501, on 4 June 1996. It carried the Cluster spacecraft, a constellation of four European...
    14 KB (1,522 words) - 15:07, 8 February 2024
  • observation belongs to the cluster with the nearest mean (cluster centers or cluster centroid), serving as a prototype of the cluster. This results in a partitioning...
    59 KB (7,371 words) - 07:39, 28 April 2024
  • grown from a few hundred classes in JDK 1.0 to over three thousand in J2SE 5. Entire new APIs, such as Swing and Java2D, have been introduced, and many...
    201 KB (10,631 words) - 04:54, 27 April 2024
  • Thumbnail for Hyades (star cluster)
    Collinder 50, or Melotte 25) is the nearest open cluster and one of the best-studied star clusters. Located about 153 light-years (47 parsecs) away from...
    34 KB (3,964 words) - 00:08, 3 January 2024
  • Thumbnail for Cluster headache
    Cluster headache (CH) is a neurological disorder characterized by recurrent severe headaches on one side of the head, typically around the eye(s). There...
    53 KB (5,651 words) - 19:48, 23 February 2024
  • Thumbnail for Galaxy cluster
    A galaxy cluster, or a cluster of galaxies, is a structure that consists of anywhere from hundreds to thousands of galaxies that are bound together by...
    19 KB (1,647 words) - 14:00, 20 March 2024
  • Within cluster and parallel computing, a cluster manager is usually backend graphical user interface (GUI) or command-line interface (CLI) software that...
    5 KB (513 words) - 16:08, 18 March 2022
  • Thumbnail for Star cluster
    Star clusters are large groups of stars held together by self-gravitation. Two main types of star clusters can be distinguished: globular clusters are...
    21 KB (2,538 words) - 15:41, 22 April 2024
  • A cancer cluster is a disease cluster in which a high number of cancer cases occurs in a group of people in a particular geographic area over a limited...
    6 KB (645 words) - 22:12, 1 November 2023
  • Cluster genealogy is a research technique employed by genealogists to learn more about an ancestor by examining records left by the ancestor's cluster...
    4 KB (537 words) - 08:02, 9 February 2022
  • A tone cluster is a musical chord comprising at least three adjacent tones in a scale. Prototypical tone clusters are based on the chromatic scale and...
    83 KB (10,387 words) - 02:42, 13 April 2024
  • Thumbnail for Cluster sampling
    In statistics, cluster sampling is a sampling plan used when mutually homogeneous yet internally heterogeneous groupings are evident in a statistical...
    16 KB (2,205 words) - 20:48, 3 March 2024
  • Thumbnail for Butterfly Cluster
    The Butterfly Cluster (cataloged as Messier 6 or M6, and as NGC 6405) is an open cluster of stars in the southern constellation of Scorpius. Its name derives...
    8 KB (794 words) - 04:10, 27 March 2024