Across
- 1. closest star in our solar system.
- 3. this planet is the closest planet to the Sun.
- 5. this planet is full of rings.
- 7. this planet is full of life.
- 8. this planet is the largest planet in our solar system.
Down
- 1. made of a single star and many planets.
- 2. this planet has two moons and a polar ice cap.
- 3. objects that orbit a planet.
- 4. objects that orbit a star.
- 5. another name for a moon.
- 6. huge balls of glowing gases.