CHAPTER 2Earth Is No Longer the Center of the Universe
There is only one thing more powerful than all the armies in the world; that is an idea whose time has come.
—Victor Hugo
The Geocentric Model
Understanding how we decide to act is really a story of technology. Technology changes paradigms. People once believed Earth was the center of the universe and all other objects orbited around it. Aristotle’s geocentric model served as the predominant cosmological paradigm into the sixteenth century.
There were many good reasons to believe all heavenly bodies circled our planet. The geocentric model was “state of the art” for its time. Astrological observations suggested that the stars, our sun, and all known planets revolved around Earth each day, ...
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