Across
- 2. 3rd planet from the Sun
- 5. the outermost part of the Sun's atmosphere
- 6. 7th planet from the Sun
- 7. the 4 planets closest to the Sun
- 9. plant that was reclassified as a dwarf planet
- 12. when the Moon moves into the Earth's shadow
- 14. where our solar system is located
- 15. a planet that does not have enough mass & does not have a moon
- 16. huge collection of gas, dust and stars and their solar systems held together by gravity
- 18. consists of the Sun, Moon, planets and everything bound by gravity
- 21. an attractive force between any 2 objects
- 22. 5th planet from the Sun
Down
- 1. the outer 4 larger planets
- 3. 2nd planet from the Sun
- 4. when view of the Sun from Earth is blocked from the Moon
- 8. one of the oldest fields of science
- 10. an orbit that is oval shaped
- 11. 6th planet from the Sun
- 13. imaginary line passing through center of earth
- 17. farthest planet from the Sun
- 19. a regular, repeating path in space
- 20. closest planet to the Sun
