Across
- 3. multiple solar systems and stars held together by gravity
- 6. the second planet from the sun
- 10. a planet in our solar system that rotates sideways
- 11. a force caused by the mass and distance between two objects
- 13. a planet from outside our solar system
- 14. the planet best known for its rings
- 15. the planet closest to the sun
Down
- 1. a star orbited by mutliple planets
- 2. the red planet
- 4. A big round object that orbits a star
- 5. the largest planet in our solar system
- 7. the cold blue planet furthest from the sun
- 8. a big ball of glowing gasses
- 9. everything
- 12. the planet we live on
- 14. the name of our star