Across
- 2. anything that has a sun in center
- 4. a sudden change in the political system
- 6. nown for proposing the heliocentric model of the solar system
- 7. the Almagest
- 8. a force that pulls objects together
Down
- 1. known for formulating the laws of motion(last name of person)
- 2. a belief or opinion contrary to orthodox religious
- 3. to object a formal belief
- 5. any theory of the structure of the solar system