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SSETI Express was the first spacecraft to be designed and built by European students and was launched by the European Space Agency. SSETI Express (SSETI being the acronym for Student Space Exploration and Technology Initiative) is a small spacecraft, similar in size and shape to a washing machine. On board the student-built spacecraft were three CubeSat pico-satellites, extremely small satellites weighing around one kg each. These were deployed one hour and forty minutes after launch. 23 university groups, working from locations spread across Europe and with very different cultural backgrounds, worked together via the internet to jointly create the satellite. The expected lifetime of the mission was planned to be 2 months. Express is the fastest developed micro-satellite in history. ==Pico-Satellites== The three pico-satellites on board the spacecraft were: * XI-V from Japan, University of Tokyo Its primary mission is the demonstration of newly developed solar cells in space. Other mission objectives include the acquisition of Earth images by a commercial off-the-shelf digital camera and the operation of a message transmission service using an amateur radio frequency. * UWE-1 from Germany, University of Würzburg The main objective of UWE-1, (University of Würzburg’s Experimental satellite 1) is to conduct telecommunication experiments related to the optimisation of an internet-related infrastructure for space applications. * Ncube-2 from Norway, Andøya Rocket Range This contains an automated identification system (AIS) used to receive GPS signals. The AIS signals from Ncube II are detected and forwarded to Ncube ground stations, allowing them to track the satellite. 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「SSETI Express Satellite」の詳細全文を読む スポンサード リンク
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