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TransHab was a concept pursued by NASA in the 1990s to develop the technology for expandable habitats inflated by air in space. Specifically, TransHab was intended as a replacement for the already existing rigid International Space Station crew Habitation Module. When deflated, inflatable modules provide an 'easier to launch' compact form. When fully inflated, TransHab would expand to 8.2 meters in diameter (compare to the 4.4 meter diameter of the Columbus ISS Module). ==History== The name of the project is a contraction of ''Transit Habitat'' reflecting the original intention to design an interplanetary vehicle to transfer humans to Mars. Considerable controversy arose during the TransHab development effort due to delays and increased costs of the ISS program. In 1999, the National Space Society issued a policy statement recommending that NASA continue R&D of inflatable technologies while ceasing development of a TransHab ISS module. Finally in 2000, despite objections from the White House, House Resolution 1654 was signed into law banning NASA from conducting further research and development of TransHab. An option to lease an inflatable habitat module from private industry was included in the bill. Since that time, the private company Bigelow Aerospace has purchased the rights to the patents developed by NASA and is pursuing a similar scheme for a private space station design. The company has launched the ''Genesis I'' and ''Genesis II'' pathfinder spacecraft, with plans for additional experimental craft culminating in their ''BA 330'' production model and the Bigelow Commercial Space Station.〔 (Bigelow Aerospace Shows Off Bigger, Badder Space Real Estate ), ''Popular Mechanics'', 2010-10-28, accessed 2010-10-30.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「TransHab」の詳細全文を読む スポンサード リンク
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