/observations-stellar-mass-black-holes-ixpe-xl-calibur-x-ray-polarimetry-missions/ The Canadian Institute for Theoretical Astrophysics is a nationally supported research centre located at the University of Toronto that is devoted to studying the origin and evolution of the universe, and the many wonderful phenomena revealed by modern astronomy. Thu, 12 Mar 2026 20:20:54 +0000 hourly 1 https://wordpress.org/?v=6.9.10