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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Spacecraft Magnetic Test Facility ： ウィキペディア英語版 Spacecraft Magnetic Test Facility The Spacecraft Magnetic Test Facility at the Goddard Space Flight Center in Greenbelt, Maryland was built in 1966 to allow the evaluation of magnetic movement in spacecraft. The building is constructed on non-magnetic materials and contains a magnetic coil system that allows the cancellation of the Earth's magnetic field. This unique building was designated a National Historic Landmark in 1985. The square building contains a diameter 3-axis Braunbek coil with four loops on each axis. The coil cancels the Earth's magnetic field within a central spherical volume. Fluctuations in the ambient field are removed by a servo control, producing stability to half a nanotesla. An artificial magnetic vector can be produced and rotated at a variable rate. Helmholtz coils are used for perm/deperm operations. A monorail hoist is provided for equipment handling. HEPA filtration and air conditioning are provided. The facility is used to determine and minimize the magnetic movement of unmanned spacecraft and to calibrate flight magnetometers. ==References== 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「Spacecraft Magnetic Test Facility」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.