Early Astronomy

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Across
  1. 2. theory that states the sun in the solar system
  2. 4. theory that the Earth was the center of the Universe
  3. 5. A human who studies space
  4. 8. a device used to make distant objects appear much close
  5. 9. when a planet spins
  6. 11. when an object travels around another object
Down
  1. 1. a hole in the surface of a planet or moon caused by a rock from space hitting the surface
  2. 3. everything in space as a whole
  3. 4. A force that pulls objects towards the Earth
  4. 6. the moon circles around Earth
  5. 7. the study of space beyond our atmosphere
  6. 10. an imaginary line