Cosmic Webs, Hidden Galaxies, and Political Turbulence: This Week’s Space News Will Change How You See the Universe / Updated: 2025, July 13th, 00:01 CET
Konstantinos Migkas and team mapped a 23-million-light-year cosmic web filament with temperatures around 10 million degrees, more than 20 times the Milky Way’s size, detected via the Sunyaev-Zel’dovich effect and Planck data. Durham University simulations predict 80–100 undetected Milky Way satellite galaxies, the so‑called