The Solar System

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Across
  1. 1. the colour of Mars
  2. 2. lowest tide during the quarter Moon
  3. 4. density and type of atom in an object
  4. 8. takes Earth 365 days to complete
  5. 10. object that orbits a bigger object
  6. 12. the closest planet to the Sun
Down
  1. 1. the type of vehicle used on the Moon and Mars
  2. 3. imaginary line which a planet rotates
  3. 5. the highest tide during the full and new Moon
  4. 6. tool used to look at objects that are far away
  5. 7. takes Earth 24 hours
  6. 9. the furthest planet from the Sun
  7. 11. pathway of a celestial body around a star or planet