Giant black holes were supposed to be bit players in the early cosmic story. But recent James Webb Space Telescope observations are finding an unexpected abundance of the beasts.
Giant black holes were supposed to be bit players in the early cosmic story. But recent James Webb Space Telescope observations are finding an unexpected abundance of the beasts.
*Billions (13,000+ million). Based on our current understanding and their close proximity to each other in the early universe, most of them would have likely merged and many/most may be now at a size where it would take a google years to evaporate. The extremely small ones that did not merge may have already evaporated.
Source: Hawking radiation
From my understanding they would still have a looong way to go before they would have evaporated.