@cosmos4u@scicomm.xyz2026-09-09 21:47:12
Hypersoft X-ray Sources as a Low-Energy Class of Luminous Cosmic Emitters: #Chandra Unveils Mysterious X-ray Objects: https://chandra.si.edu/photo/2026/m101/ / https://chandra.si.edu/press/26_releases/press_090926.html