Advanced Concepts


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[1] Starting new threads in the Advanced Topics Section of NSF's Forum

[2] Space Elevator Initiative

[3] Space Elevator Development

[4] Vacuum tube

[5] Photosynthesis in the infrared spectrum: implications for space exploration

[6] General Hohmann Transfer

[7] Totally crazy idea: Space launch site on Mt Kilimanjaro?

[8] General Hypersonic Flight Related Topics

[9] Long life probes for exploration of the Solar sytem


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