Serial killer galaxy devours neighbours

Dr Harold Shipman, Jeffery Dahmer, Jack the Ripper all names that resonate through the halls of serial killer infamy. Well, its time to add a new name to that list...

Meet ESO 306-17 (pretty sinister eh?), is a galaxy that prowls the universe about a billion light years from Earth. Have look at the picture and you'll see something strange about ESO 306-17. Firstly, its very big and secondly it seem to sitting in a big patch of empty space. Its not a case of cosmic halitosis that sees it seemingly avoided by its stellar companions, nor is so large because