The Solar System Crossword

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Across
  1. 1. Planet with an average temperature of -55 degrees Celsius
  2. 3. Earth's sister planet
  3. 5. Planet known for it's rings
  4. 6. Closest planet to the sun
  5. 9. Planet with the fastest winds in the solar system
  6. 10. An rock in space
  7. 12. satellite The International Space Station and Sputnik are examples of ________
  8. 14. The largest planet in the solar system
  9. 15. A ________ is a form of celestial body orbiting the sun
  10. 17. Considered a planet until 2006
Down
  1. 1. Earth's only natural satellite
  2. 2. system The ___________ is the sun and everything that orbits it
  3. 4. The only planet that orbits sideways
  4. 6. a meteor that does not burn up in the Earth's atmosphere
  5. 7. An asteroid on a collision course with Earth
  6. 8. planet This celestial body is too small to be considered to be a planet
  7. 11. satellite The moon is one of the solar system's _______
  8. 13. Solar system's only star
  9. 16. The only planet that can support life