Across
- 5. Made up of rock, stone, iron, Nickle.
- 7. Centre-old storm bigger than earth
- 9. Fastest planet zipping around the sun in 88 days.
- 10. Biggest planet in our solar system.
- 11. Outermost layer of a star.
- 12. Study of stars, planets, and outerspace.
- 15. Name for all the outer planets.
Down
- 1. Now known as a dwarf planet.
- 2. only planet that spins on its side
- 3. Spiral Galaxy.
- 4. Located through mathematical calculations
- 6. Hottest planet in our solar system.
- 7. The force by which a planet or other body draws objects toward its center.
- 8. Big star in the center of our solar system.
- 13. The only planet with oxygen on it
- 14. Dusty, cold dessert with thin atmosphere.