Across
- 3. that the world is flat
- 5. physical evidence of...
- 6. this ___ on September 6, 1522
- 8. is to...
Down
- 1. the world is spherical
- 2. five large ships ____
- 3. sail around the world
- 4. have used astronomy to argue that...
- 7. that the world is not flat