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Solar Probe Plus: A mission to touch the sun
| Author | Kinnison, James; Lockwood, Mary; Fox, Nicola; Conde, Richard; Driesman, Andrew; |
| Keywords | Commerce; magnetic fields; Solar wind; Parker Engineering |
| Abstract | Solar Probe Plus (SPP), currently in Phase B, will be the first mission to fly into the low solar corona, revealing how the corona is heated and the solar wind is accelerated, solving two fundamental mysteries that have been top priority science goals since such a mission was first proposed in 1958. The scale and concept of such a mission has been revised at intervals since that time, yet the core has always been a close encounter with the Sun. SPP uses an innovative mission design, significant technology development and a risk-reducing engineering development to meet the SPP science objectives: 1) determine the structure and dynamics of the magnetic fields at the sources of the fast and slow solar wind, 2) trace the flow of energy that heats the corona and accelerates the solar wind. and 3) determine what mechanisms accelerate and transport energetic particles. In this paper, we present the Solar Probe Plus mission along with a brief comparison with some previous concepts for such a mission, and discuss the trade studies that led to the SPP implementation. We present a summary of the challenges associated with operation in the solar encounter environment and discuss the technology development and engineering trade studies to compose a mission that will not only survive this environment, but will provide the data needed to answer the science questions that have remained unanswered to date. © 2013 IEEE. |
| Year of Publication | 2013 |
| Journal | IEEE Aerospace Conference Proceedings |
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| URL | http://dx.doi.org/10.1109/AERO.2013.6496957 |
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