Galaxy Clusters Rock

here's another news story I wrote that came out today... and again it's about two big, huge, massive galaxy clusters - yay!

Novel observing mode on XMM-Newton opens new perspectives on galaxy clusters

Surveying the sky, XMM-Newton has discovered two massive galaxy clusters, confirming a previous detection obtained through observations of the Sunyaev-Zel'dovich effect, the 'shadow' they cast on the Cosmic Microwave Background. The discovery, made possible thanks to a novel mosaic observing mode recently introduced on ESA's X-ray observatory, opens a new window to study the Universe's largest bound structures in a multi-wavelength approach. More...

enjoy :-)

Image credits: ESA/XMM-Newton; Background image: Blanco Cosmology Survey/NOAO/AURA/NSF; SZE contours: South Pole Telescope/NSF