In this new revised edition of her acclaimed Planetary Threads Lynn Bell includes a new introductory chapter, setting out an approach to family themes in the in

The brilliant German mathematician Johannes Kepler (1571-1630), one of the founders of modern astronomy, revolutionized the Copernican heliocentric theory of th

The first part of this volume provides the user with assistance in the selection and design of important machine and frame components. It also provides help wit

The International Astronomical Union and the International Union for the History and Philosophy of Science have sponsored a major work on the history of astrono

This best-selling textbook for major manufacturing engineering programs across the country masterfully covers the basic processes and machinery used in the job