The Milky Way - a barred spiral galaxy, which lies in the center of the spiral. About two-thirds of all known galaxies - spiral, and two-thirds of them have a jumper. That is the Milky Way belongs to the most common galaxies.
Spiral galaxies have sleeves that extend from the center as the wheel spokes that are twisted in a spiral. Our solar system is located in the central part of one of the branches, which is called the Orion Arm.