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Across 2. celestial body within the solar system sharing characteristics of planets (2 Words) 4. similar to Earth’s moon 5. atmosphere is made of 78 percent nitrogen and 21 percent oxygen 9. The path a satellite takes around a celestial body 11. automated reflecting telescope 12. moon of mars 13. Mercury, Venus, Earth and Mars are ____ plantes 14. is a ball of liquid surrounded by gas 17. The distance of a line from one side of a sphere to the opposite side that passes through the center 19. one of 3 dwarf planets 21. largest object in our solar system 22. famous for its thousands of rings 23. once had liquid water 24. A hole or depression formed on impact with a smaller object. 25. famous comet

Down 1. zone between the orbits of Mars and Jupiter (2 Words) 3. The gases surrounding a space object, for example, the atmosphere surrounding earth 6. Neptune's largest moon 7. giant snowballs of ice and rock 8. An instrument used to view distant objects in space 10. bodies of rock, metal ore, and some ice 15. has more than 20 moons and spins on it's very tilted axis 16. has strong winds that sometimes gust to 1,400 kilometers per hour (900 miles per hour) 18. sixth largest planet 20. A massive system of stars held together by their mutual gravity