This book is intended for geophysicists, astronomers (especially those with an interest in history), historians and orientalists. The culmination of many years

An essential reference work for research libraries, first published in 1986.

Published in preparation for the total eclip se of the sun due on 11 August 1999, this book sets out the rules of motion of planets and their moons and describe

This accessible reference presents the evolution of concepts of time and methods of time keeping, for historians, scientists, engineers, and educators. The seco

They have been thought of as harbingers of evil as well as a sign of the divine. Eclipses—one of the rarest and most stunning celestial events we can witness