Dava Sobel tells how the 16th-century discoveries of Nicolaus Copernicus changed the world. More Perfect Heaven: How Copernicus Revolutionized the Cosmos tells how a young German mathematician had Copernicus's manuscript On the Revolutions of the Celestial Spheres published, in 1543 and explains how the book forever changed humankind's place in the universe.

Comments [4]
Carl Sagan (in the Cosmos series) actually claimed that Copernicus made references to Aristarchus in the original draft of his book, but omitted them in the final manuscript.
So the Church didn't mind the book's being available in Latin--which *they* could read--but didn't want it published in the language the lay public could understand?
Then who did add the preface? Do we know?
Please ask Dava Sobel why she studied Italian in college--what was she expecting to do with it?
Please also thank her for all her absolutely wonderful work!!
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