books.google.com - This is a study of the union of astronomy and astrology, and relations to astral worship, from early Babylonian times, through medieval European times, up to and including the time of Isaac Newton, especially in relation to prediction, and with extensions into more recent times. There is also discussion...http://books.google.com/books/about/Marriage_and_Divorce_of_Astronomy_and_As.html?id=A2Kxx107AQUC&utm_source=gb-gplus-shareMarriage and Divorce of Astronomy and Astrology