nov 212012
 
Bridge of Hot Gas Links Two Galaxy Clusters

  ESA’s Planck space telescope has made the first conclusive detection of a bridge of hot gas connecting a pair of galaxy clusters across 10 million light-years of intergalactic space. A bridge of hot gas between galaxy clusters Abell 399 and Abell 401. Credit: Sunyaev-Zel’dovich effect (orange): ESA & Planck Collaboration; optical image: STScI Digitized [continue reading]

mei 182012
 
Herschel reveals galaxy-packed filament

  A McGill-led research team using the Herschel Space Observatory has discovered a giant, galaxy-packed filament ablaze with billions of new stars. The filament connects two clusters of galaxies that, along with a third cluster, will smash together and give rise to one of the largest galaxy superclusters in the universe. A Star-Bursting Filament Image credit: [continue reading]