COLL MATHEMATICAL WORKS OF GEO

COLL MATHEMATICAL WORKS OF GEO
Author: George William 1838-1914 Hill
Publisher: Wentworth Press
Total Pages: 476
Release: 2016-08-30
Genre: History
ISBN: 9781374660960

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Year Book

Year Book
Author: Carnegie Institution of Washington
Publisher:
Total Pages: 350
Release: 1912
Genre: Research
ISBN:

"List of the names of persons engaged in the various activities": v. 10, p. 243-257.

The Hill-Brown Theory of the Moon’s Motion

The Hill-Brown Theory of the Moon’s Motion
Author: Curtis Wilson
Publisher: Springer Science & Business Media
Total Pages: 323
Release: 2010-06-03
Genre: Mathematics
ISBN: 1441959378

This book, in three parts, describes three phases in the development of the modern theory and calculation of the Moon's motion. Part I explains the crisis in lunar theory in the 1870s that led G.W. Hill to lay a new foundation for an analytic solution, a preliminary orbit he called the "variational curve." Part II is devoted to E.W. Brown's completion of the new theory as a series of successive perturbations of Hill's variational curve. Part III describes the revolutionary developments in time-measurement and the determination of Earth-Moon and Earth-planet distances that led to the replacement of the Hill–Brown theory in 1984.