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Satellite formation flying is the coordination of multiple satellites to accomplish the objective of one larger, usually more expensive, satellite. [1] Coordinating smaller satellites has many benefits over single satellites including simpler designs, faster build times, cheaper replacement creating higher redundancy, unprecedented high resolution, and the ability to view research targets from ...
Crochet stitches have different terminology in different countries. Schematic crochet symbols have a consistent meaning internationally. Basic stitches
The cluster is named for the merger of two clusters colliding like a bullet. Also has a systematic designation of 1E 0657-56: El Gordo: Named for its size, El Gordo ("the fat one") is the biggest cluster found in the distant universe (at its distance and beyond), at the time of discovery in 2011, with a mass of 3 quadrillion suns.
Crochet (English: / k r oʊ ˈ ʃ eɪ /; [1] French: [2]) is a process of creating textiles by using a crochet hook to interlock loops of yarn, thread, or strands of other materials. [3] The name is derived from the French term crochet, which means 'hook'. [4]
The probability that candidate clusters spawn from the same distribution function (V-linkage). The product of in-degree and out-degree on a k-nearest-neighbour graph (graph degree linkage). [14] The increment of some cluster descriptor (i.e., a quantity defined for measuring the quality of a cluster) after merging two clusters. [15] [16] [17]
The Bullet Cluster (1E 0657-56) consists of two colliding clusters of galaxies. Strictly speaking, the name Bullet Cluster refers to the smaller subcluster, moving away from the larger one. It is at a comoving radial distance of 1.141 Gpc (3.72 billion light-years ).
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In the theory of cluster analysis, the nearest-neighbor chain algorithm is an algorithm that can speed up several methods for agglomerative hierarchical clustering.These are methods that take a collection of points as input, and create a hierarchy of clusters of points by repeatedly merging pairs of smaller clusters to form larger clusters.