Space Crossword

A small object that orbits a larger object.
A large ball of burning gas. It provides light and heat to nearby planets.
The place where stars and planets are, we see it when we look up at night.
The name for a group of planets together.
Someone who goes out into space. They often travel in rockets.
Everything we can see, and everything we cannot see.
The planet we live on.
The number of planets in our solar system.
The biggest planet in our solar system.
The natural satellite that orbits the earth.
The star that is closest to us. We see it in the sky during the day.