NDLI: Gravity recovery and interior laboratory (grail): extended mission and end-game status

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Gravity recovery and interior laboratory (grail): extended mission and end-game status

Content Provider	NASA Technical Reports Server (NTRS)
Author	Stubbs, Christopher Lemoine, Frank G. Andrews-Hanna, Jeffrey C. Mazarico, Erwan Wieczorek, Mark A. McGovern, Patrick J. Goossens, Sander J. Matsuyama, Isamu Phillips, Roger J. Kruizinga, Gerhard Zuber, Maria T. Head, James W. Konopliv, Alexander S. Asmar, Sami W. Neumann, Gregory A. Kiefer, Walter S. Watkins, Michael M. Smith, David E. Solomon, Sean C. Melosh, H. Jay Yuan, Dah-Ning Nimmo Sr., Francis Williams, James G. Weber, Renee Park, Ryan S.
Copyright Year	2013
Description	The 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.
File Size	656097
Page Count	2
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20130013623
Archival Resource Key	ark:/13960/t3hx6bf76
Language	English
Publisher Date	2013-03-18
Access Restriction	Open
Subject Keyword	Lunar And Planetary Science And Exploration Spacecraft Orbits Lunar Geology Lunar Crust Moon Lunar Gravitation Lunar Orbits Gravitational Fields Remote Sensing Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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