Documents A More Perfect Heaven by Dava Sobel (extract)

To my fair nieces, Amanda Sobel and Chiara Peacock, with love in the Copernican tradition of nepotism. 209-47591_ch00_4P.indd vii209-47591_ch00_4P.indd vii 7/1/11 11:35 AM7/1/11…

Documents A More Perfect Heaven

To my fair nieces, Amanda Sobel and Chiara Peacock, with love in the Copernican tradition of nepotism. 209-47591_ch00_4P.indd vii209-47591_ch00_4P.indd vii 7/1/11 11:35 AM7/1/11…