Earth and Space

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Across
  1. 3. a large spherical object that orbits a star.
  2. 4. a large star in the centre of our solar system.
  3. 7. an early clock using the direction of a shadow.
  4. 8. a model that has the sun in the centre.
  5. 9. he believed the sun was the centre of solar system.
  6. 11. a shape that looks like a squashed circle.
  7. 14. a model that has the earth in the centre.
Down
  1. 1. a natural object that is in the sky.
  2. 2. the whole side of the moon can be seen.
  3. 5. shaped like a ball.
  4. 6. a scientist who believed earth was the centre.
  5. 10. the sun and things that orbit it.
  6. 12. when none of the moon can be seen from earth.
  7. 13. the movement of one object around another object.