Hot gas filament spanning galaxy clusters may resolve missing matter puzzle

Berlin, Germany (SPX) Jun 21, 2025

A European-led team of astronomers has identified a colossal, high-temperature filament of gas stretching across 23 million light-years and connecting four galaxy clusters. The discovery sheds light on the elusive warm-hot intergalactic medium (WHIM), a form of matter suspected to contain a significant portion of the universe's missing normal matter. Utilizing the Japanese Suzaku and Europ