AsTrOnOmY

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Across
  1. 3. a theory that the Earth is the center of the universe
  2. 5. a device to make far things appear much closer
  3. 6. a person who studies space
  4. 7. everything in space as a whole
  5. 10. the study of space beyond our atmosphere
  6. 11. the path of another object around another object in space
Down
  1. 1. a theory that says the sun is the center of the solar system
  2. 2. a hole in a planet or moon caused by a rock from space hitting it
  3. 4. when an object travels around another object
  4. 6. an imaginary line that goes through the north and south poles
  5. 8. a planet's spin on its axis
  6. 9. a force that pulls things towards the center of the Earth