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Tempo3
The Tethered Experiment for Mars inter-Planetary Operations (TEMPO³) is a CubeSat-based
satellite〔http://cubesat.calpoly.edu/〕 meant to demonstrate artificial gravity generation. After launch, the spacecraft will spin end over end to create gravity-like acceleration at both ends of a tether. The project is being run by the Mars Society,〔Mars society web page; http://marssociety.org〕 and will build from high-altitude tests to eventual orbital flight in 2011.
== Background ==
In the Mars Direct architecture for a humans-to-Mars mission, the crew on their way to Mars uses their discarded upper stage as a counterweight to spin end over end. This action generates gravity for the crew and prevents them from having to spend the six-month trip in zero-gravity conditions. Gemini 11 and 12 showed that the concept was viable,〔http://www.astronautix.com/flights/gemini11.htm〕 but no gravity-related work has taken place since then using tethers.
TEMPO³ was selected as the winner of the Mars Project Challenge, run by the Mars Society in 2008, to determine the group's next major project.〔K.C. Jones, "('TEMPO 3' Artificial Gravity Satellite On Mars Society's To-Do List )," ''InformationWeek,'' August 19, 2008〕
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