This colossal 'ball of fire' is by far the largest object of this kind ever identified! http://www.esa.int/esaCP/SEMWD1AATME_index_0.html http://discovermagazine.com/2006/sep/xraymap http://www.theregister.co.uk/2006/06/12/great_balls_of_fire/ http://elainemeinelsupkis.typepad.com/space_news/2006/06/elaine_meinel_s.html What's not cleared out, is whether this fireball is bigger than our Galaxy or any other Galaxy for that matter?