Dysprosium
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Can anyone inform me as to what an "active galactic nuclei" is? Thanks a lot!
An Active Galactic Nucleus (AGN) is a highly energetic region at the center of some galaxies, powered by supermassive black holes. AGNs emit significant amounts of radiation across the electromagnetic spectrum, making them crucial for understanding galaxy formation and evolution. The discussion highlights resources such as NASA's educational page and a detailed overview from the University of Manchester for further exploration of AGNs.
PREREQUISITESAstronomers, astrophysics students, and anyone interested in the dynamics of galaxies and the role of supermassive black holes in cosmic evolution.