This Milky Way is a barred spiral galaxy that features a diameter usually thought to be roughly 100, 000–120, 000 light-years but may be 150,000 – 180,000 light-years. This Milky Way can be estimated to include 200–400 billion celebrities, although this range may be as high as one trillion. You will find probably at very least 100 billion planets inside the Milky Way.