Cold Dark Matter

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.Cold dark matter is a refinement of the big bang theory that contains the additional assumption that most of the matter in the Universe consists of material that cannot be observed by its electromagnetic radiation and hence is dark while at the same time the particles making up this matter are slow and hence are cold. As of 2006, most cosmologists favor the cold dark matter theory as a description of how the universe went from a smooth initial state at early times, to the lumpy distribution of galaxies and their clusters we see today - the large-scale structure of the universe.The theory was originally published in 1984 by United States physicists Joel R. Primack, George Blumenthal, and Sandra Moore Faber.In the cold dark matter theory, structure grows hierarchically, with small objects collapsing first and merging in a continuous hierarchy to form more and more massive objects.

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Pagina's: 132, Paperback, Alphascript Publishing