Galaxy filament | Wikipedia audio article
Channel: wikipedia tts
Date: 2018-12-08

This is an audio version of the Wikipedia Article:
Galaxy filament


00:00:35 1 Formation
00:01:08 2 Discovery
00:02:07 3 Filaments
00:02:46 3.1 Galaxy walls
00:04:07 3.1.1 Map of nearest galaxy walls
00:04:17 3.2 Large Quasar Groups
00:04:38 3.3 Supercluster complex
00:04:48 4 Maps of large-scale distribution



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SUMMARY
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In physical cosmology, galaxy filaments (subtypes: supercluster complexes, galaxy walls, and galaxy sheets) are the largest known structures in the universe. They are massive, thread-like formations, with a typical length of 50 to 80 megaparsecs h−1 (163 to 261 million light-years) that form the boundaries between large voids in the universe. Filaments consist of gravitationally bound galaxies. Parts wherein many galaxies are very close to one another (in cosmic terms) are called superclusters.