Free Astronomy Magazine September-October 2025

THE FREE MULTIMEDIA MAGAZINE THAT KEEPS YOU UPDATED ON WHAT IS HAPPENING IN SPACE Bi-monthly magazine of scientific and technical information ✶ September-October 2025 www.astropublishing.com info@astropublishing.com www.facebook.com/astropublishing ✶ ✶ Vera C. Rubin Observatory unveils its first imagery The most energetic explosions since the Big Bang • A star met its end by detonating twice • Long-predicted companion of Betelgeuse discovered • Gemini North observes comet 3I/ATLAS • No certainty of a Milky Way–Andromeda collision • New clues about gamma-ray bursts jets • Webb digs into structural origins of disk galaxies