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Astronomy
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keywords:("Astronomy")
The Symposium on the Use of Space Vehicles at the Fall 1958 URSI Meeting
NASA Conference on Celestial Mechanics
The Physics of Balloons and Their Feasibility as Exploration Vehicles on MARS
Publications of Goddard Space Flight Center, 1963. Volume II - Space Technology
In Quest of Signs of Civilization in Other Worlds
The Analysis of Unco-Operative Radar Targets
Explorer XXIII (S-55c Meteoroid Satellite) Post Launch Report
Life in Space and Humanity on the Earth a Joint Review of Five Books
Explorations of Outer Space and Upper Layers of the Atmosphere