Ancient Greek Astronomers

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Across
  1. 4. Thought the Earth was spherical surrounded by spheres
  2. 6. Thought the Earth was 63,000 km in diameter
  3. 7. Believed air manipulated the creation and movement of the universe
  4. 10. Thought planets sit around an epicenter on a epicycle
  5. 11. Thought all planets moved along their own spheres
  6. 12. Rejected Aristarchus' model of the universe for Aristotle's model
Down
  1. 1. Thought a central flare (not the Sun) was at the center of the universe
  2. 2. Predicted Solar Eclipses
  3. 3. Used shadows of sundials to calculate the Earth's diameter
  4. 5. The first and only Greek to propose a heliocentric universe
  5. 8. Set the grounds for European belief in the geocentric model
  6. 9. Thought the Earth was a cylinder