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the space infrared interferometric telescope (spirit): the mission design solution space and the art of the possibleAlthough the Space Infrared Interferometric Telescope (SPIRIT) was studied as a candidate NASA Origins Probe mission, the real world presents a broader set of options, pressures, and constraints. Fundamentally, SPIRIT is a far-IR observatory for high-resolution imaging and spectroscopy designed to address a variety of compelling scientific questions. How do planetary systems form from protostellar disks, dousing some planets in water while leaving others dry? Where do planets form, and why are some ice giants while others are rocky? How did high-redshift galaxies form and merge to form the present-day population of galaxies? This paper takes a pragmatic look at the mission design solution space for SPIRIT, presents Probe-class and facility-class mission scenarios, and describes optional design changes. The costs and benefits of various mission design alternatives are roughly evaluated, giving a basis for further study and to serve as guidance to policy makers.
Document ID
20080030265
Document Type
Conference Paper
Authors
Leisawitz, David
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Hyde, T. Tupper
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Rinehart, Stephen A.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Weiss, Michael
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
August 24, 2013
Publication Date
June 22, 2008
Subject Category
Instrumentation and Photography
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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