Download Ancient Astronomy in PDF by Clive L. N. Ruggles Full Book and published by ABC-CLIO. This book was released on 2005 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt: Long before astronomy was a science, humans used the stars to mark time, navigate, organize planting and dramatize myths. This encyclopaedia draws on archaeological evidence and oral traditions to reveal how prehistoric humans perceived the skies and celestial phenomena.