Synonyme wurden verwendet für:
Astronomy
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keywords:("Astronomy")
Space travel and future research into structure of universe
Astronomical measurements with rockets, satellites and balloons
Selenography: Physical Characteristics of the Moon; a Bibliography 1200-1958
RADIO ASTRONOMY EXPERIMENTS FROM SATELLITES AND ROCKETS.
NASA Conference on Celestial Mechanics
The Physics of Balloons and Their Feasibility as Exploration Vehicles on MARS