the planets

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Across
  1. 4. Which planet would float in your bathtub, if your bathtub were large enough for the planet to fit into it
  2. 8. Is this statement true or false? The moon, Earth's nearest neighbor in space, is a cratered ball of rock without air or water
  3. 9. What is the first planet to be discovered mathematically rather than by observation
  4. 10. What is the coldest planet in the solar system
  5. 12. Which planet rotates the fastest
  6. 13. The third brightest object is a planet. Name that planet
  7. 14. Do galaxies move
Down
  1. 1. Name the planet that was called the "God of War" because of its red color
  2. 2. Name the only planet in the Solar System to have one moon
  3. 3. Which planet rotates on its side
  4. 5. Which planet has the shortest day
  5. 6. which planet has the longest period of revolution
  6. 7. Which planet has the shortest period of revolution
  7. 11. Is this statement correct? Earth rotates on its axis in about 24 hours and revolves around the sun once a year.
  8. 15. How many times have humans been to the moon