October 19, 2012 - BBC News
This "polar ring galaxy" NGC 660 is a snapshot of a galactic punch-up of
the grandest type. At the centre of the image, captured at the Gemini
Observatory, is a type of spiral galaxy. The vast ring of stars and
debris around it - 40,000 light-years across - came from another galaxy
in a collision that astronomers can now begin to unpick.