XRISM gives sharpest-ever glimpse at growth of a rapidly-spinning black hole
Astrobitica
January 5, 2026 (Last updated: January 5, 2026) 1 minute read
Astronomers have obtained the sharpest-ever X-ray spectrum of an iconic active galaxy, providing the most accurate, precise view ever obtained of the extreme relativistic effects imprinted onto the spacetime around a supermassive black hole.