6th Grade Vocab Crossword Puzzle

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Across
  1. 4. An invisible line that goes through the north and south poles
  2. 6. A devise to make distant thing such as stars appear much closer
  3. 9. All planets,moons,and other celestial objects as a whole
  4. 10. when an object travels around another
  5. 11. Studies of space beyond earth
  6. 12. A planet or moon spinning around its axis
Down
  1. 1. A hole caused by a rock hitting the surface of a planet or moon
  2. 2. An invisible force pulling objects made of matter towards the surface of a planet or moon
  3. 3. A person who studies planets,moons,stars,and other galaxies
  4. 5. A theory in which the earth is the center of the universe
  5. 7. The path around a sphere on which another follows
  6. 8. A theory in which our sun is the center of the solar system