Abstract

The type and quality of scientific information desired from television cameras on spacecraft approaching the moon and nearby planets are reviewed. The desired accuracy of the optical data is compared with that presently secured from earth-based telescopes. The fundamental limitations due to the vibration and shock of the rocket launch and to the vacuum, radiation, and temperature environment of interplanetary space are considered. The influences of solar illumination, phase angle, and altitudes of recording on the resolution obtained are discussed. Optical television systems employed on certain lunar and planetary probes are described. Methods of improving optical television images received on earth by reduction of the background noise are noted.

© 1963 Optical Society of America

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