Why galaxies are rarely loners and how they shape the universe
In short: This video explores the energetic nature of active galaxies and the massive structures they form. Discover how supermassive black holes drive galactic activity and how our Milky Way is destined to collide with Andromeda.
The video examines active galaxies, which release immense energy as central supermassive black holes consume surrounding matter. This process often involves the formation of accretion disks.
Rather than existing in isolation, galaxies typically reside within groups or larger clusters. These clusters eventually aggregate into superclusters, which represent the largest structures in the entire universe. Within this vast cosmic landscape, there are estimated to be hundreds of billions of galaxies.
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Sources
- Summary by Intellect · source: Galaxies, part 2: Crash Course Astronomy #39
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