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