Javier A. Tabush

Why did they take so long for the heliocentric system to be adopted?

- it was able to predict

- useful for navigation



Javier: tools and knowledge. It needed to make sense.



Theory will transcend the known.



Questions

- why was innovation difficult for an Aristotelian to accept?

- what is a crystalline sphere?

- what is the role of the elements in the Aristotelian structure of the universe?

- what is Aristotle's argument for the Earth to stand still?

- why did Copernicus fail to design an Aristotelian universe?

- what is the Aristotelian universe?

- what is aether?

- why the Aristotelian conception of the universe did not survive the modification that made the Earth a planet?

- what are planets and stars made up of?
 

Aristotle's ideals were believed for almost 2000 years, until 1600 when Copernicus came in. 



- We have many scientists today wondering the galaxies.

- We never wonder, we don't have the eager to learn new stuff

Schools have been transforming into a type of church where a dogma is taught and you just sit as an audience member without asking yourself any questions. 



- A theme that can be seen throughout chapters 4&5 is that "movement is not a perfect state of being, but that which is perfect is still" 



- Copernicus wrote his book for knowledgeable astronomers.

- The catholic church was not against Copernicus new ideas. They were accepted by cardinals.

- The catholic church was not against scientific progress.
 

- Fc=mv2/r

- Centrifugal force

- The moon goes around the earth due to orbits.