WASHINGTON - Although NASA has made progress toward the overall space exploration science priorities recommended in a 2011 decadal survey by the National Academies of Sciences, Engineering, and Medicine, the space agency should raise the priority of scientific research that addresses the risks and unknowns of human space exploration. This heightened priority is particularly important given the limited remaining lifetime of the International Space Station (ISS) - the most significant destination for microgravity research - and because the U.S. currently does not have a strategy for the station beyond 2024, says a new midterm assessment report by the National Academies.
The 2011 decadal survey, Recapturing a Future for Space Exploration: Life and Physical Sciences Research for a New Era, highlighted the critical need for space life and physical sciences research both for enabling and expanding the exploration capabilities of NASA as well as for contributing unique science in many fields that can be enabled by microgravity. The new report assesses the progress made by NASA so far, and also lays out exploration-related science areas of highest importance that should be addressed in the remaining half of the decade.
"The 2011 survey outlined a solid microgravity research agenda for the current decade in the human exploration of space, and NASA has already shown significant results, including creating a division for space life and physical sciences and increasing its budget for these topics under tight financial constraints," said Daniel Dumbacher, professor of engineering practice at Purdue University and co-chair of the committee that conducted the study and wrote the report. "Given the high value of microgravity research for space exploration and the approaching need for an ISS strategy beyond 2024, NASA faces important prioritization decisions."
Since the survey, NASA's strategy for space exploration has evolved with the focus on Mars as a "horizon" destination. The agency has also begun planning for the next human exploration element - Deep Space Gateway - that will be built in orbit around the moon. In light of these goals, the committee said longer term, extended duration space life and physical sciences research in microgravity is essential to best support deep space exploration. Also, while the international partners have all committed to funding their ISS partnerships through 2024, the strategy for ISS in the post-2024 timeframe is undefined. The report recommends that NASA should develop this strategy for the ISS or other orbital platforms for research as soon as possible in order to provide a basis for planning and prioritization.
ISS influences NASA's overall exploration strategy, space life and physical sciences research priorities, and resource allocation in terms of crew time, cargo delivery, and funding. Also, in the last several years, ISS capabilities have advanced and it is currently capable of providing the broader research community with a wide range of instrumentation and facilities in the microgravity of Low Earth Orbit (LEO).
"The future of ISS is an important consideration for microgravity research," said Robert Ferl, distinguished professor and director of the Interdisciplinary Center for Biotechnology Research at University of Florida and co-chair of the committee. "The necessary research to best and most safely extend human presence beyond LEO will continue after the 2024 timeline, so a future plan for long-term microgravity capabilities is critical to the overall research for deep space exploration."
The report urges NASA to fully utilize the station's matured research facilities as well as other available research platforms to maximize the implementation of 2011 decadal priorities given constrained resources. These platforms include aircraft, drop towers, balloons, suborbital vehicles, and ground-based laboratories, in addition to potential new orbital platforms.
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The study was funded by the NASA. The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide independent, objective analysis and advice to the nation to solve complex problems and inform public policy decisions related to science, technology, and medicine. The National Academies operate under an 1863 congressional charter to the National Academy of Sciences, signed by President Lincoln. For more information, visit http://national-academies.org.
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THE NATIONAL ACADEMIES OF SCIENCES, ENGINEERING, AND MEDICINE
Division on Engineering and Physical Sciences
Aeronautics and Space Engineering Board
Space Studies Board
Committee on a Midterm Assessment of Implementation of the Decadal Survey on Life and Physical Sciences Research at NASA
Daniel L. Dumbacher (co-chair)
Professor of Engineering Practice
School of Aeronautics and Astronautics
Purdue University
West Lafayette, Ind.
Robert J. Ferl (co-chair)
Professor, and
Director, Interdisciplinary Center for Biotechnology Research
Department of Horticultural Sciences
University of Florida
Gainesville
Reza Abbaschian
William R. Johnson Jr. Family Professor and Distinguished Professor of Engineering
Bourns College of Engineering
University of California
Riverside
Alan R. Hargens
Professor of Orthopaedic Surgery
Medical Center
University of California
San Diego
Yiguang Ju
Robert Porter Patterson Professor in Mechanical and Aerospace Engineering, and
Director, Sustainable Energy Program
Princeton University
Princeton, N.J.
Dominique Langevin
Research Director
Laboratoire de Physique des Solides
University of Paris-Sud
Paris
Gloria R. Leon
Professor Emerita
University of Minnesota
Minneapolis
W. Carl Lineberger1
E.U. Condon Distinguished Professor of Chemistry, and
Fellow, JILA
University of Colorado
Boulder
Elliot Meyerowitz1
HHMI-GBMF Plant Science Investigator, and
George W. Beadle Professor of Biology
California Institute of Technology
Pasadena
Todd J. Mosher
Vice President of Engineering
Syncroness
Morrison, Colo.
Elaine Oran2,*
Glenn L. Martin Institute Professor of Engineering
University of Maryland
College Park
James A. Pawelczyk
Associate Professor of Physiology and Kinesiology
Pennsylvania State University
University Park
James T'ien
Leonard Case Jr. Professor of Engineering
Department of Mechanical and Aerospace Engineering
Case Western Reserve University
Cleveland
Mark M. Weislogel
Professor
Maseeh College of Engineering and Computer Science
Portland State University
Portland, Ore.
Gayle E. Woloschak
Professor
Department of Radiology Oncology
Feinberg School of Medicine
Northwestern University
Chicago
STAFF
Sandra J. Graham
Staff Officer
1 Member, National Academy of Sciences
2 Member, National Academy of Engineering
*Resigned from the committee April 21, 2017