Scientists Trace Universe’s Missing Ordinary Matter Using FRBs and X-rays
Jul 9, 2025 - 20:00

New astronomical breakthroughs have identified where the universe’s “missing” ordinary matter resides. Using 70 FRBs, including one from 9 billion light-years away, scientists discovered that 76% of ordinary matter exists between galaxies. A separate X-ray study observed an enormous hot gas filament connecting galaxy clusters.