Waspie_Dwarf Posted December 3, 2015 #1 Share Posted December 3, 2015 Cosmic filaments exposed near huge cluster 2 December 2015 ESA’s XMM-Newton X-ray observatory has revealed three massive filaments of hot gas flowing towards a cluster of galaxies, uncovering a portion of the cosmic skeleton that pervades the entire Universe.Galaxies tend to congregate, forming groups and even larger agglomerates called clusters. These clusters are the most massive cosmic structures held together by gravity. As well as galaxies, they contain large amounts of hot gas and even larger amounts of invisible dark matter. Read more... 1 Link to comment Share on other sites More sharing options...
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