Friday, June 19, 2009

February 1632

Dialogue Concerning the Two Chief World Systems.

After some five years, I have finally completed my text. The authorities of the Church have granted final approval for its publication. My testament for the Copernican system has been printed with the blessing of the Church!

[Note: Dialogue Concerning the Two Chief World Systems was written in the form of a dialogue between three speakers: Salviati, a Copernican who speaks for Galileo himself; Sagredo, an open-minded man who gradually comes to accept Salviati's arguments; and Simplicio, a defender of the Ptolemaic world-view. The dialogue form allowed Galileo to claim impartiality as he was "equally" presenting both views–although he clearly weighted the dialogue toward the Copernican point of view.]


Image: Cover page and title page from published text.

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