The Milky way
The Milky way is a galaxy that doesn't just have our solar system, but many of them. Like the sun, the Milky way has about 4 billion stars.
Milky way overview
The Milky way is not the only galaxy in space, but there are tons of galaxies along with it. They also contain planets and stars as well as the Milky way does. In various pictures The Milky way looks like a spiral with a ball of light in the center. The milky way is actually 13.51 billion years with a radius of 52,850 light years.