The JPL lunar gravity field to spherical harmonic degree 660 from the GRAIL Primary Mission

@article{Konopliv2013TheJL,
  title={The JPL lunar gravity field to spherical harmonic degree 660 from the GRAIL Primary Mission},
  author={Alex S. Konopliv and Ryan S. Park and Dah‐Ning Yuan and Sami W. Asmar and Michael M. Watkins and James G. Williams and Eugene Gregory Fahnestock and G. L. Kruizinga and Meegyeong Paik and Dmitry Strekalov and Nate Harvey and David E. Smith and Maria T. Zuber},
  journal={Journal of Geophysical Research: Planets},
  year={2013},
  volume={118},
  pages={1415 - 1434}
}
The lunar gravity field and topography provide a way to probe the interior structure of the Moon. Prior to the Gravity Recovery and Interior Laboratory (GRAIL) mission, knowledge of the lunar gravity was limited mostly to the nearside of the Moon, since the farside was not directly observable from missions such as Lunar Prospector. The farside gravity was directly observed for the first time with the SELENE mission, but was limited to spherical harmonic degree n ≤ 70. The GRAIL Primary Mission… 

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