books.google.ca - The earliest investigations that can be called scientific are concerned with the sky; they are the beginnings of astronomy. Many early civilizations produced astronomical texts, and several cultures that left no written records left monuments and artifacts - ranging from rock paintings to Stonehenge...http://books.google.ca/books/about/Early_Astronomy.html?id=rNpHjqxQQ9oC&utm_source=gb-gplus-shareEarly Astronomy
