José Manuel NievesSEGUIRMadrid Updated: Save Send news by mail electrónicoTu name *

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Typically, the galaxies are grouped in clusters and thus travel together through the Universe. Our Milky Way, for example, form part of the so-called Local Group, about forty galaxies that, in the aggregate, occupy an area of about 4 million light years away and moving together in unison. Next to a hundred other similar groups, our Local Group is part of a structure is much greater, the supercluster of Virgo , which extends to over 107 light years. In the observable Universe there are millions of other superclusters similar.

On a scale still greater, it can be seen that clusters and superclusters of galaxies formed their rather long bright lines, authentic “rivers of light”, which converge in

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