Science & Exploration 19/06/2025 4247 views 23 likes Astronomers have discovered a huge filament of hot gas bridging four galaxy clusters. At 10 times as massive as our galaxy, the thread could contain some of the Universe’s ‘missing’ matter, addressing a decades-long mystery. The astronomers used the European Space Agency’s XMM-Newton and JAXA’s Suzaku X-ray space telescopes to make the discovery. Over one-third of the ‘normal’ matter in the local Universe – the visible stuff making up stars, p...