Discovery of a Mini Halo in the Early Universe Reveals Hidden Energetic Forces

Astronomers have discovered a mini halo in the early universe—a vast, faint cloud of high-energy particles surrounding a distant galaxy cluster, some 10 billion light-years from Earth.

An Ancient Signal, 10 Billion Years in the Making Astronomers have discovered a mini halo in the early universe—a vast, faint cloud of high-energy particles surrounding a distant galaxy cluster, some 10 billion light-years from Earth. This marks the most remote mini halo ever observed, twice as far as any previously known. The finding not … Read more