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Across 2. Earth is a ____________. 5. Planet that rolls on its side. 9. Former planet, now a dwarf. 10. Tool that measures temperature 11. This planet has life! 12. The hottest planet. 13. 2nd largest planet and has rings 15. It takes Earth 365 of these to orbit the Sun. 17. Safety eyewear in the lab. 18. It takes Earth 1 of these to orbit the Sun.

Down 1. Something that is dangerous. 3. Largest planet. 4. Path planets take around the Sun. 6. Coldest planet. 7. Planet closest to the Sun. 8. Ice and rocks with a tail 9. Safety steps 13. Closest star to Earth. 14. 4th planet from the Sun. 16. The Sun is a _________.