Early Models of the Solar System

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Across
  1. 4. Orbits the Earth in both models
  2. 5. Developed the Earth centered model that was accepted for 1500 years
  3. 6. What "geo" refers to
  4. 7. What "helio" refers to
  5. 8. The planet's orbits are not a ______, instead they are an ellipse.
  6. 10. The sun centered model
  7. 11. Created the first version of our current solar system model
  8. 12. Created 3 Laws of Planetary Motion
Down
  1. 1. He tried to measure the distance to the Sun and Moon
  2. 2. The Earth centered model
  3. 3. Where Aristotle was from
  4. 9. Proved the sun centered model by watching Venus