A galaxy is a collection of stars, dust and gas, all held together by gravity.
Galaxies come in all shapes and sizes, and the larger ones contain 1,000,000,000,000 stars.
The galaxy we live in is called the Milky Way.
Spiral galaxy
Sorry, but the LTRobot software has been removed from the website because it was used so little. Please contact us if you would like to see it put back onto the website. Many thanks.