Assessment of Mission Size Trade-Offs for NASA's Earth and - download pdf or read online

By Space Studies Board Ad Hoc Committee on the Assessment of Mission Size Trade-Offs for Earth and Spac

ISBN-10: 0309069769

ISBN-13: 9780309069762

ISBN-10: 0309516099

ISBN-13: 9780309516099

File addresses basic problems with undertaking structure within the nation's clinical house application and responds to the FY99 Senate convention document which asked that NASA fee a learn to evaluate the strengths and weaknesses of small, medium, and massive missions. Softcover.

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Extra info for Assessment of Mission Size Trade-Offs for NASA's Earth and Space Science Missions

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49 The issue of access to space is a matter of continuing concern in planning an effective, balanced, and costeffective program for space and Earth science. Whether NASA provides access by an appropriately priced, expendable launch vehicle dedicated to a single science mission or by a secondary payload opportunity, the agency must deal effectively with launch issues. The high cost, lack of options in vehicle size and capability, and the sometimes poor reliability of launch vehicles are the principal impediments to using the optimum mix of spacecraft sizes.

All rights reserved. html 31 SCIENCE PRIORITIES AND NASA MISSION PLANS 2 Science Priorities and NASA Mission Plans INTRODUCTION In Chapter 1, the ad hoc committee considered a number of principles and issues to illustrate the complexity of mission choices and the size options that flow from those principles. In this chapter, the committee examines the relationship between the goals established by the science community and the strategic mission plans developed by NASA. The committee’s methodology for this examination was to obtain input from the Space Studies Board (SSB) discipline committees1 based on their particular perspectives, experience, and previously published analyses.

1 Two International Collaborations Ocean Topography Experiment A bilateral mission between France and the United States, the Ocean Topography Experiment (TOPEX/Poseidon) is dedicated to observing Earth’s oceans and to providing global sea-level measurements of unprecedented accuracy. TOPEX/Poseidon, launched on August 10, 1992, weighed some 2,500 kg. NASA’s share of the cost for the large-scale, bilateral mission is approximately $450 million (life-cycle costs). NASA contributed the satellite bus, five scientific instruments, and the development of the data system, and the French Space Agency contributed the launch and the associated ground processing infrastructure.

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Assessment of Mission Size Trade-Offs for NASA's Earth and Space Science Missions by Space Studies Board Ad Hoc Committee on the Assessment of Mission Size Trade-Offs for Earth and Spac


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