High-energy trajectories from Earth to Mars and return
High energy trajectories from Earth to Mars and return for 1970-1980 - three-dimensional conic approximation used for calculations
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High energy trajectories from Earth to Mars and return for 1970-1980 - three-dimensional conic approximation used for calculations
Atmosphere reentry guidance scheme for return from manned Mars mission
Advanced planetary missions using direct and relay link data return modes
Lateral range and lift-drag ratio requirements for return to optimum or nonoptimum recovery sites from near-earth circular orbit
Acoustic focusing by returning atmospheric sound ray computations
Reentry guidance for manned Mars mission return considering capture and acceleration control, skip range and terminal range controls
Nimbus I IR scanning radiometry for nocturnal imagery of clouds and other data, IR spectral returns and relation to image gray scale
Mars data transmission difficulty in long-life Mars flyby and orbiter and Earth-return mission
Adaptability of Lunar Orbiter to surface experiments using flyby and earth return trajectory
Biodynamics of morphological point of no return during differentiation in Blastocladiella emersonii fungus
Lateral range requirements used in selecting spacecraft landing recovery sites for return from low circular orbits
Lifting body reentry vehicle for return from orbit to continental U.S.
Data return advantages of earth-Mars-earth flyby trajectories over more conventional Mars trajectories
Deep Space Network /DSN/ with ground communications network, centralized control and data processing, discussing future data return and control capabilities
Moon to earth return trajectory analysis
Pyrotechnic-actuated calorimeter for flight research at lunar return velocity /Project Fire/
News release on ZOND 5 space probe of moon and return to earth with second cosmic velocity
Payload feasibility of automated /unmanned/ Martian surface sample collection and return to earth