Milky Way Galaxy

The Milky Way is the galaxy in which our Solar System lives. There are more than 200 billion stars in our spiral galaxy, and our Sun is just one of them. Even if you traveled at the speed of light, it would take you about 100,000 years to get across the Milky Way.

Image credits: main image, The Milky Way in Infrared, courtesy of The COBE Project, DIRBE, and NASA; Mike Shara: courtesy of AMNH.