Your browser isn’t supported any more. Update it to find the ideal YouTube practical experience and our hottest attributes. Find out more Therefore, most of the universe's much more energetic phenomena happen to be attributed into the accretion of issue on black holes. In particular, Energetic galactic nuclei and quasars https://econopass.com/news/science-technology/7-mind-blowing-ways-the-technological-singularity-will-transform-humanity/