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Earth Sciences
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keywords:(Earth Sciences)
TRENDS IN EARTH-TO-ORBIT TRANSPORTATION SYSTEMS
Aerodynamic heating of conical entry vehicles at speeds in excess of earth parabolic speed
SOME GENERAL CONSIDERATIONS OF MANNED LUNAR RETURN MISSIONS
Trends in earth-to-orbit space transportation systems.
The enhancement of human exploration by means of space flight an address
Some considerations of the lunar excursion.
Multidisciplinary research in space-related science and technology Semiannual report
Separation trajectory characteristics resulting from separating two vehicles in near-earth orbits
High-energy trajectories from Earth to Mars and return
Velocity requirements for the earth return phase of planetary missions
Experiment msc-10, two-color earth limb photography for gemini iv
Error analysis for apollo earth parking orbits using range rate and angle measurements
Injection conditions for lunar trajectories