http://en.wikipedia.org/wiki/Celestial_Matters http://en.wikipedia.org/wiki/Celestial_Matters I read this book when I was a kid. The setting is a universe in t

http://en.wikipedia.org/wiki/Celestial_Matters http://en.wikipedia.org/wiki/Celestial_Matters I read this book when I was a kid. The setting is a universe in the future where the greeks turned out to be correct. The earth is the center of the universe and bodies of celestial matter move in strange circular motions around the earth. Technology is centered around this ancient interpretation of the physical world. Greeks end up actually carving out pieces of the moon in order to construct space craft that take advantage of this strange physics.