Across
- 3. - Takes approximately 365 days to rotate around the sun.
- 5. - The last planet is.
- 7. - Large gravitationally bound system of stars, dust, gas and dark matter
- 8. - What our galaxy is called.
- 10. - Orbits the sun.
- 12. - A blue body circulating a central star.
- 14. - The biggest star in the solar system is?
- 17. - Third planet from the sun.
- 18. - The brightest planet is.
- 20. - How many ice-gas planets.
Down
- 1. - How many planets there are in our solar system.
- 2. - Which planet has the ring?
- 4. - Smallest plnanet.
- 6. - U. S. Space Flight Agency
- 8. - Natural ground satellite
- 9. - What dwarf planet was in our solar system?
- 11. - Known as the RED Planet
- 13. - What is the mass of the earth.
- 15. - Which planet is the coldest.
- 16. - How many rocky planets.
- 19. - How many categories do we divide the planets into?