Polar Motion Historical and Scientific Problems

Annotation Contains 64 papers September 1999 colloquium The historical sessions review the history of early polar motion research and the International Latitude Service. The scientific sessions discuss observational techniques for polar motion, long-term polar motion, Chandler and annual polar motion, daily and subdaily polar motion, and modern definition of the Celestial Ephemeris Pole. Topics include time and polar motion in early NASA spacecraft navigation, secular variation of Carloforte latitude, and comparison of the short period rigid earth nutation series. Annotation c. Book News, Inc., Portland, OR (booknews.com)