books.google.dk - What were the ideas held by medieval man concerning the size and shape of the earth? How many planets were there, and of what material was the universe constructed? What was the relationship between the sky and Heaven? How were snow, thunderstorms and comets explained? In this fascinating book Dr Simek...http://books.google.dk/books/about/Heaven_and_Hearth_in_the_Middle_Ages.html?id=gXBSKZAlAdMC&utm_source=gb-gplus-shareHeaven and Hearth in the Middle Ages
