The dark side of galactic radio jets

Cosmic microwave radiation points to invisible 'dark matter', marking the spot where jets of material travel at near light speed, according to an international team of astronomers. Lead author Rupert Allison of Oxford University presented their results yesterday (6 July) at the National Astronomy Meeting in Venue Cymru, Llandudno, Wales. Active galaxy, Hercules A, showing extensive radio jets (Image credit: NRAO) Currently, no one knows for sure what dark matter is made of, but it accounts f...