EVA Operational Guidelines and Considerations for Use During the Space Station Freedom Design Review Process
The Space Station Freedom Program (SSFP) has started to conduct many design reviews (DR's) of its elements, systems, and subsystems. These varied systems cross work packages (WP's), international...
LIAC: A Closed Ecosystem Research Facility
A preliminary design for a closed research facility capable of supporting multispecies and ecosystem level experiments is presented. This project will support NASA's Controlled Ecological...
Developing Technologies for Lunar-Based Astronomy
The Moon is probably the best place in the inner solar system to locate a new generation of astronomical observatories. The thrust of space program planning is toward a return to the Moon...
Lunar Transit Telescope Lander Design
The lunar surface offers a unique platform for telescopes to observe distant planets. The absence of significant atmosphere provides clarity that is of orders of magnitude better when...
Low Frequency Astronomy from Lunar Orbit
The Radio Astronomy Explorer satellite verified that the far-side of the Moon is well shielded from manmade and natural Earth-based interference at frequencies below 30 MHz. Above a few...
Reappraising the Space Shuttle Program
This paper argues that the experience of the Space Shuttle program has been misinterpreted. Conventional wisdom holds that the shuttle is an example of a weak national commitment. This...
Altering the Solar System?Landing the Moon, Mars or Venus on the Earth?Changing the Orbit, the Tilt and the Size of the Planet Earth
It is proposed to radically change the hitherto prevailing mindset of the people (and especially of the scientists) by stressing that the present setup of the 5 billion year old Orbit,...
Rocket Fuel to Earth Orbits from Near-Earth Asteroids and Comets
The analysis describes an architecture to bring 10,000 tons units of rocket fuel ore, propellant and construction mass back to low Earth orbit from newly discovered near-Earth comets or...
The German Participation in the Soviet MARS 94/96 Mission
The German contribution to the science program of the Soviet MARS 94/96 missions includes 14 experiments or experiment, participations to be placed on the various mission elements: the...
Using Simulation to Evaluate On-Orbit Construction Operations
As the NASA Space Exploration Initiative (SEI) program contemplates a permanent presence on both the Lunar and Martian soil, the necessity for On-Orbit Construction of the Earth-to-Lunar/Martian...
Lunar Ores from Magmatic Processes: A Speculative Assessment
An Infrastructure for Early Lunar Development
Belt Conveyor Systems for Lunar Construction
Synergistic Options for an Earth to Luna Freighter
Synergistic Lunar Lander for Efficient Operations
Man-Made Debris Environment Characterization for Spacecraft Vulnerability Assessment
An issue of growing importance in the study of orbital debris is the need to understand the consequence of impact on a space structure. In this paper, a technique is developed to analyze...
Technology Needs Development and Orbital Support Requirements for Manned Lunar and Mars Missions
This paper will present an overview of the critical technology needs and the Space Station Freedom (SSF) focused support requirements for the Office of Exploration's (OEXP)...
Low Earth Orbit Infrastructure to Accommodate Manned Lunar Missions
In order to establish bases on the lunar and Mars surfaces, a significant amount of orbital infrastructure including assembly platforms, cryogenic fluids depots, and Space Station Freedom,...
Post-MECO Propulsion System Requirements for Placement of an STS External Tank in Low Earth Orbit
This paper discusses the findings of a series of computer simulations carried out at the National Institute of Standards and Technology to investigate the requirements for powered flight...
MALEO: Modular Assembly in Low Earth Orbit: An Alternate Strategy for Lunar Base Deployment
Modular Assembly in Low Earth Orbit (MALEO) is a new strategy for building an initial operational capability lunar habitation base. In this strategy, the lunar base components are brought...
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