Renaissance Cosmology: Copernicus

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Across
  1. 1. Proposed heliocentrism which attracted little attention in the 3rd Century BC
  2. 3. Geocentrism places the _____ at the centre of the universe
  3. 7. A Greek philosopher who proposed an earlier geocentric model in the 6th Century BC
  4. 9. Heliocentrism places the ___ at the centre of the universe
  5. 10. The astronomical model that places the earth at the centre of the universe
  6. 11. A tool used to measure angles up to 90 degrees
  7. 12. Formulated a heliocentric model of the universe
Down
  1. 2. The astronomical model that places the sun at the centre of the universe
  2. 4. Also known as a Parallactic Ruler
  3. 5. An ancient tool used to the altitude and positioning of the sun and other celestial bodies
  4. 6. Also known as a Cross Staff
  5. 8. The time period during which Copernicus lived
  6. 13. Proposed a geocentric astronomical model in 2AD