Rotation and Revolution Crossword

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Across
  1. 4. the plane in which an object's orbit lies
  2. 5. the star around which the earth orbits
  3. 6. the spin of an object around a point or line
  4. 7. the third planet from the sun
  5. 9. the natural satellite of the earth
  6. 11. the amount of hours it takes the earth to rotate one time
Down
  1. 1. a group of stars forming a pattern
  2. 2. an imaginary line around which a rotating object turns
  3. 3. a natural object in space
  4. 8. the motion of an object around another object in space
  5. 10. the path that an object follows as it revolves around another object