Comments on: Quasars are ‘cosmic signposts’ pointing to rare supermassive black hole pairs https://russian.lifeboat.com/blog/2024/07/quasars-are-cosmic-signposts-pointing-to-rare-supermassive-black-hole-pairs Safeguarding Humanity Tue, 09 Jul 2024 21:37:42 +0000 hourly 1 https://wordpress.org/?v=6.6.2