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Across 2. what planet is the 4th inline to the sun 5. how many planets are in the solar system we are in 7. Who invented the telescope 9. name the solar systems dwarf planet. 10. how many kilometres do you need to be vertically upwards to leave the earths atmosphere 12. what is the closet planet to earth distance wise 13. what planet is also known as the blue planet 14. which star has 450 billion years+ left 15. What country is the company NASA from 16. What planet is -180c at night 18. who was the first man on the moon 20. What is the cause of earth being made up of 71% water 21. what was the name of the crew that was first on the moon

Down 1. What is the cause of tides and eclipses 3. what planet is the red planet 4. What was thought to be discovered in 1858 on mars' surface 6. Which planet has rings around it 8. What planet are we on 10. What year was the first time Neil armstrong landed on the moon 11. What killed the dinosaurs 13. What planet is 71% water and 29% land 14. What is the largest star in the solar system 17. close star to the earth 19. What planet is the god of war