Advanced space exploration is performed by unmanned missions with integrated autonomy in both flight and ground systems. Risk and feasibility are major factors

The first complete, up-to-date history of space probe exploration. In just 50 years, space exploration has advanced from the Luna 1, the first artificial object

Presents an historical survey of unmanned space travel, examines its scientific and practical applications, profiles notable missions, and speculates about the

Full color publication. This document has been produced and updated over a 21-year period. It is intended to be a handy reference document, basically one page p