https://russian.lifeboat.com/blog/2024/02/a-mass-of-17-billion-suns-growing-black-hole-is-the-most-luminous-object-ever-observed-by-astronomers Safeguarding Humanity Sun, 25 Feb 2024 21:25:09 +0000 hourly 1 https://wordpress.org/?v=6.4.3