Air Force Academy and designed as a first course emphasizes the universal variable formulation. Develops the basic two-body and n-body equations of motion; orbit determination; classical orbital elements, coordinate transformations; differential correction; more. Includes specialized applications to lunar and interplanetary flight, example problems, exercises. 1971 edition.

    A lavish observer's guide for amateur astronomers, featuring wide-field photographs of more than 400 galaxies, star clusters, and other deep-space denizens.