Across
- 3. The path an object follows as it moves around another object
- 5. A cloud of gas and dust from which a star is born
- 7. The force of attraction between ALL objects due to mass and distance
- 8. The 7th planet, the only planet with its axis tilted on its side
- 10. The 4th planet, also known as the red planet
- 11. The closest planet to the sun
- 13. The 5th planet, also the largest planet
Down
- 1. The 8th planet, also has the great dark spot
- 2. A ball of frozen dust and rock that orbits the sun and appears to have a tail
- 4. An enormous collection of stars, dust, and gas bound together by gravity
- 6. The 2nd planet from the sun, also the hottest planet
- 9. The 6th planet, known by its large visible rings
- 12. The 3rd planet from the sun, also only known planet with life and 2/3 covered by water