It has a nucleus with spiral arms radiating from it. The stars are more numerous in the spiral arms than between them and even thicker in the nucleus. It is believed that a cross-section would appear similar to that of the galaxy NGC 4565. Within a sphere with a radius of 1000 light years from our sun there are about one million stars. And beyond our galaxy are some 100,000 million more galaxies.
Galaxies have stars.
Our galaxy turns around once in 300 million years. NGC4565 stands for object number 4565 in the New General Catalog of astronomers. The Cosmic Perspective. The Cosmic Calendar lists events that have occurred since that time. It is apparent that we are a very young, emerging civilization.