Across
- 1. The red planet.
- 4. used to be a planet but now isn't.
- 7. Milky Way, The galaxy we live in.
- 9. Known for their knowledge about space.
- 10. it is the hottest thing in our solar system.
Down
- 2. this planet has big rings.
- 3. The biggest planet in our galaxy.
- 5. they fill up our night sky.
- 6. Jupiter has 79 of them.
- 8. this planet only has only one moon.