Science term 4 Crossword

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Across
  1. 4. to move around an object
  2. 5. to rotate and orbit
  3. 6. is the belief of where the Sun, stars and planets are located in our solar system
Down
  1. 1. to move on an object's axis
  2. 2. the scientific study of stars, planets and other objects
  3. 3. a force that attracts other objects