Across
- 3. greek astronomer who is accredited for the Geocentric theory
- 4. Latin word for Sun
- 7. circular path that planets were believed to move in
- 10. stars, planets, the moon, the sun
- 11. Earth at the center of the universe
Down
- 1. German mathematician who came up with the idea of ellipses
- 2. SUn at the center of the universe
- 5. Instrument used by Galileo to prove Heliocentric model was true
- 6. oval path that planets moved in
- 8. Earth
- 9. English physicit that came of with Observations of Universal Gravitation
- 12. Polish astronomer accredited with the Heliocentric model
