Star Wars: Dawn of Darkness
The Star Wars Galaxy is an Sb type spiral galaxy orbited by seven satellite galaxies. It is believed to be 120,000 light years across or roughly 37,000 Parsecs. It is also estimated to contain 400 billion stars, of which half have plants which can support life. Of those, 10% have developed life, and of those sentient life developed on 1/1000 of those.