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Gravity Recovery and Interior Laboratory (GRAIL): Extended Mission and End-Game StatusThe Gravity Recovery and Interior Laboratory (GRAIL) [1], NASA s eleventh Discovery mission, successfully executed its Primary Mission (PM) in lunar orbit between March 1, 2012 and May 29, 2012. GRAIL s Extended Mission (XM) initiated on August 30, 2012 and was successfully completed on December 14, 2012. The XM provided an additional three months of gravity mapping at half the altitude (23 km) of the PM (55 km), and is providing higherresolution gravity models that are being used to map the upper crust of the Moon in unprecedented detail.
Document ID
20130013623
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Zuber, Maria T. (Massachusetts Inst. of Tech. Cambridge, MA, United States)
Smith, David E. (Massachusetts Inst. of Tech. Cambridge, MA, United States)
Wieczorek, Mark A. (Institut de Physique du Globe Paris, France)
Williams, James G. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Andrews-Hanna, Jeffrey C. (Colorado School of Mines Golden, CO, United States)
Head, James W. (Brown Univ. Providence, RI, United States)
Kiefer, Walter S. (Lunar and Planetary Inst. Houston, TX, United States)
Matsuyama, Isamu (Arizona Univ. Tucson, AZ, United States)
McGovern, Patrick J. (Lunar and Planetary Inst. Houston, TX, United States)
Nimmo, Francis (California Univ. Santa Cruz, CA, United States)
Stubbs, Christopher (Harvard Univ. Cambridge, MA, United States)
Weber, Renee (NASA Marshall Space Flight Center Huntsville, AL, United States)
Asmar, Sami W. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Goossens, Sander J. (Maryland Univ. Baltimore County Baltimore, MD, United States)
Kruizinga, Gerhard (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Mazarico, Erwan (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Park, Ryan S. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Yuan, Dah-Ning (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Konopliv, Alexander S. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Lemoine, Frank G. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Melosh, H. Jay (Purdue Univ. West Lafayette, IN, United States)
Neumann, Gregory A. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Phillips, Roger J. (Southwest Research Inst. Boulder, CO, United States)
Solomon, Sean C. (Lamont-Doherty Geological Inst. Palisades, NY, United States)
Watkins, Michael M. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
August 27, 2013
Publication Date
March 18, 2013
Subject Category
Lunar And Planetary Science And Exploration
Report/Patent Number
GSFC-E-DAA-TN7321
Report Number: GSFC-E-DAA-TN7321
Meeting Information
Meeting: 44th Lunar and Planetary Science Conference
Location: The Woodlands, TX
Country: United States
Start Date: March 18, 2013
End Date: March 22, 2013
Sponsors: Lunar and Planetary Inst.
Funding Number(s)
CONTRACT_GRANT: NNG06EO90A
CONTRACT_GRANT: NNX09AM53G
Distribution Limits
Public
Copyright
Public Use Permitted.

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