Using NASA's Chandra X-ray space telescope, astronomers have discovered an entire galaxy cluster wrapped in a 20 million light-year-wide envelope of charged particles.

Huge galaxy cluster is wrapped in a cocoon 20 million light-years wide, NASA space telescope finds

Source: space
Source Link: https://www.space.com/astronomy/huge-galaxy-cluster-is-wrapped-in-a-cocoon-20-million-light-years-wide-nasa-space-telescope-finds