Download or read book Surface Models of Mars (1975). written by Goddard Space Flight Center and published by . This book was released on 1975 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: Data derived from Mariners 6, 7, and 9, Russian Mars probes, and photographic and radar observations conducted from Earth are used to develop engineering models of Martian surface properties. These models are used in mission planning and in the design of landing and exploration vehicles. Optical models needed in the design of camera systems, dielectric properties needed in the design of radar systems, and thermal properties needed in the design of the spacecraft thermal control system are included.