Across
- 1. The planet furthest from the sun
- 4. The model of our solar system of which the Earth is featured as the centre
- 5. The term used to refer to the movement of water on Earth created by the gravity of Earth's moon and sun
- 7. The closest planet to the sun
- 8. The hottest planet in the solar system
- 9. A person who studies astronomy
- 12. The seventh planet from the sun
- 14. Commonly referred to as a shooting star
- 16. The name of the galaxy in which our solar system is located
- 18. The planets that takes 365.25 days to rotate around the sun
- 19. Commonly referred to as the red planet
Down
- 2. The term used to refer to the entirety of all physical matter and space
- 3. The model of our solar system of which the Sun is in the centre
- 6. The largest planet in our solar system
- 9. The Study of space and the physical universe
- 10. The elliptical rotation of planets around the sun
- 11. The Earth's natural satellite
- 13. The planet that is well-known for the system of rings that encircle it
- 15. Recently renamed as a dwarf planet rather than a planet due to it's size, orbit and location
- 17. The time it takes for a planet to rotate around the sun