Science Opportunities Enabled by NASA's Constellation System Interim Report (2008) / Chapter Skim
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The committee notes, however, that the Constellation System and its Orion and Ares vehicles have been justified by NASA and selected in order to enable human exploration beyond low Earth orbit, and not to enable science missions. This interim report of the Committee on Science Opportunities Enabled by NASA's Constellation System evaluates the 11 Vision Mission studies presented to it and groups them into two categories: those more deserving of future study, and those less deserving of future study.
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The additional mass capability could significantly reduce mirror development costs. Interstellar Probe $1-$5 High⎯concept, Yes Further study is needed of the instruments benefits of additional launch mass Low⎯propulsion enabled by Ares V, in particular alternative propulsion options.
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NASA should conduct further studies of the scientific benefits as well as the technical benefits to mission execution, such as reduction of mission complexity and risk, enabled by the Constellation System for the following missions: Generation-X, Modern Universe Space Telescope, Stellar Imager, Interstellar Probe, Solar Polar Imager, Neptune Orbiter with Probes, and Titan Explorer. The committee accepted the cost estimates provided by the Vision Mission studies themselves or by the study representatives who presented them to the committee.
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Some of these technologies are of a basic, mission-enabling nature; others provide options that can be traded for alternative mission architectures. • Basic enabling technologies ⎯Free-flying constellations ⎯Tethered flight ⎯Next-generation Deep Space Network ⎯Space nuclear reactors • Technologies enabling alternatives to Ares V ⎯Aerocapture ⎯Solar sails ⎯Solar-electric propulsion ⎯Nuclear-electric propulsion ⎯Robotic assembly and servicing • Technologies enhancing Constellation capabilities ⎯Human assembly and servicing 1 See, for example, National Research Council, Grading NASA's Solar System Exploration Program: A Midterm Review, The National Academies Press, Washington, D.C., 2008, pp.
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