Comments on: Supermassive black holes are messy eaters big on recycling https://lifeboat.com/blog/2023/11/supermassive-black-holes-are-messy-eaters-big-on-recycling Safeguarding Humanity Fri, 10 Nov 2023 16:16:15 +0000 hourly 1 https://wordpress.org/?v=6.6.1