Across
- 4. Shape of the planets
- 5. Path a planet takes around the sun
- 8. Smallest planet in the solar system
- 12. Scientist who visits space
- 14. Hottest Planet
- 15. Not considered to be a planet anymore!
- 16. Scientist who studies space
Down
- 1. Length of time taken up by one orbit of the sun
- 2. Happens when the Sun's light is blocked by the Moon
- 3. Force that holds the Moon in orbit around the Earth
- 6. Gas Giant
- 7. Our star
- 9. Takes 24 hours on Earth
- 10. Famous scientist who came up with theories about gravity and the solar system
- 11. Object that orbits a planet
- 13. Object that orbits a planet