SATELLITES by Michael Blow published by Nelson Doubleday, Inc. in 1960 dealt with the science and nature of man-made satellites. Included was information on how to view a satellite. NASA defined "satellite" as: 1. An attendant body that revolves about another body, the primary ; especially in the solar system a secondary body, or moon, that revolves about a planet. 2. A manmade object that revolves about a spatial body, such as Explorer I orbiting about the earth. (GLOSSARY OF FREQUENTLY USED SPACE TERMS - NASA publication SP-1)