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Across 5. largest satellite on this planet is called Titan 6. the name of the solar system we live in 7. magnetic field is "tipped over" by about 47 degrees compared with the planet's rotation axis 9. closest planet to the sun 10. a planet recently changed to a dwarf planet 11. creates solar winds 17. The surface can reach 800 degrees Fahrenheit (430 degrees Celsius). 18. a bunch of asteroids in-between mars and jupiter 20. what replaces the sun at night 21. jupitar, saturn, uranus and neptune are all... 23. has atmosphere of oxygen and hydrogen 24. mercury venus and earth are all... 27. scientists think it once supported a wet, warm earth-like planet 28. known as earths sister planet 31. what keeps us grounded on earth 34. the second man on the moon 35. has 13 known moons 37. 1.4 kilometers wide! 38. third of the gas giants from the sun 40. nearly 4.5 billion kilometres from the sun 41. oceans cover 70% of this planets surface

Down 1. chunks of dirty ice from the formation of the solar system 2. a complex system of air, water and land 3. the centre piece of the solar system 4. floating objects in space that collect scientific information 5. ring system is the most extensive and complex in the solar system 6. its year length is 687 days 8. the most gaseous planet in our solar system 12. the largest planet in our solar system 13. extend into space and form a magnetosphere around each planet. 14. a slight eruption in the solar system 15. The first man to go to the moon 16. what fills 19. this planet has had the largest flood in the solar system 20. has the largest volcanic mountain in the solar system, Olympus Mons 22. rocky remains from the formation of the solar system 25. this planet has no atmosphere! 26. the star of our solar system 29. the planet with the most rings in our solar system 30. makes up 99% of our solar systems mass 32. the eight planet from the sun 33. Its volume is 755 times greater than that of Earth. 36. its magnetic field is 578 times as powerful as Earth's 39. massive