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...balls_of_fire/
http://elainemeinelsupkis.typepad.co..._meinel_s.html
What's not cleared out, is whether this fireball is bigger than our Galaxy or any other Galaxy for that matter?