Which Milky Way spiral arm is ours?

The Milky Way Galaxy Center for Astrophysics milky way galaxy But thanks to ongoing efforts, astronomers now know where our Sun resides in the galaxy Size of the Milky Way: For starters, the Milky Way is milky way galaxy The Milky Way is a disk that measures about 120,000 light years across, with a central bulge that has a diameter of about 12,000 light years

milky way galaxy The Milky Way Galaxy is a vast pinwheel of stars and gas turning within an enormous cloud of invisible matter Many generations of stars have formed and