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.
…satellite galaxies != galaxy clusters; andromedia is 2.5 million light-years distant and the cluster in this study is about ten times that size, 23 million light-years across…
…satellite galaxies != galaxy clusters; andromedia is 2.5 million light-years distant and the cluster in this study is about ten times that size, 23 million light-years across…