Enriching the intracluster medium
Tuesday, March 22, 2011 - 05:00
in Astronomy & Space
(PhysOrg.com) -- Galaxies are sometimes found in large clusters with many hundreds of members. Typically there is a giant elliptical galaxy near the center; most of these ellipticals are very bright emitters of radio radiation as a result of activity around supermassive black holes at their nuclei.