Across
- 5. A Small rocky body orbiting the sun.
- 6. Seventh in order from the Sun.
- 8. Second largest planet.
- 10. A curved path taken by a planet.
- 11. Planet named after god of sea.
- 12. smallest planet.
Down
- 1. also known as red planet
- 2. third brightest object after sun and moon
- 3. objects of frozen gases,rock and dust that orbit the sun.
- 4. A Place in space where gravity is so strong
- 7. only planet in which life is known to exist.
- 9. The largest planet.