2,500 New Active Black Holes Identified, Raising Questions About How They Evolve February 19, 2025, 04:50:11 PM 2,500 New Active Black Holes Identified, Raising Questions About How They Evolve[html]Dark Energy Spectroscopic Instrument (DESI) finds actively feeding black holes and a host of other black hole candidates.[/html]Source: 2,500 New Active Black Holes Identified, Raising Questions About How They Evolve (http://ht**://www.discovermagazine.c**/the-sciences/2-500-new-active-black-holes-identified-raising-questions-about-how-they) Quote Selected