Download or read book Megalithic Lunar Observatories written by Alexander Thom and published by OUP Oxford. This book was released on 1971 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses the mathematical principles behind Megalithic stone circles, and how these were used for observing lunar cycles in prehistoric times. This text discusses the mathematical principles behind Megalithic stone circles. It is intended for enthusiasts and academicians of archaeology, astronomy, and mathematics.