vocab

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Across
  1. 3. An imaginary line going through spheres north and south poles
  2. 5. When an object travels around each other
  3. 7. person who studies the sky
  4. 8. A device used to make distance objects appear much closer
  5. 10. Theory that the Earth was the center of the universe
  6. 11. A planets spin on its axis
Down
  1. 1. Force that pulls objects to the center of Earth, other planets, or other moons
  2. 2. Theory that says the sun is the center of solar system
  3. 3. the study of space beyond our atmosphere
  4. 4. path of an object around another object in space
  5. 6. A hole in the surface of a planet or moon caused from a rock from space hitting the surface
  6. 9. Everything in space as a whole