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Across 3. This rocky planet has seen volcanoes 6. It measures what activity and life are on the planets 7. The outermost gas giant 8. our great planet 9. a flash of light 13. The first man on the moon 16. it is similar size to the earth and the atmosphere is primarily carbon dioxide 18. It is in our air 19. The second man on the moon 20. It orbits close to the sun 21. It is a sudden brightening of the sun observed 23. Things that fly people to the moon 25. It is the galaxy that contains our Solar System 28. It is the largest planet in the solar system 29. it is a company who fly people to the moon and make rocket ships 30. It is the third of the gas giants`

Down 1. Its a shooting star in the movies 2. It is also known as a jovian planet 4. It deals with celestial objects 5. Its hot and it provides us with light 10. It was stripped of its planet 11. They are a rocky substance 12. Jupiter was named after the the something of the gods 14. The man who discovered jupiter 15. nearly every planet and moon have this 17. all the planets form this 22. It is a astronomical event that occurs when a astronomical event when obscured 24. This is the only planet with a ring around it 26. Mars is named after the god of it 27. Something that travels around planets