Gravity Field of the Moon from the Gravity Recovery and Interior Laboratory (GRAIL) Mission-Reference-Cited by-同舟云学术

Gravity Field of the Moon from the Gravity Recovery and Interior Laboratory (GRAIL) Mission

Published:2013-02-08 Issue:6120 Volume:339 Page:668-671
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Zuber Maria T.¹,Smith David E.¹,Watkins Michael M.²,Asmar Sami W.²,Konopliv Alexander S.²,Lemoine Frank G.³,Melosh H. Jay⁴,Neumann Gregory A.³,Phillips Roger J.⁵,Solomon Sean C.⁶⁷,Wieczorek Mark A.⁸,Williams James G.²,Goossens Sander J.⁹,Kruizinga Gerhard²,Mazarico Erwan¹,Park Ryan S.²,Yuan Dah-Ning²

Affiliation:

1. Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139–4307, USA.

2. Jet Propulsion Laboratory, Pasadena, CA 91109, USA.

3. Solar System Exploration Division, NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA.

4. Department of Earth, Atmospheric and Planetary Sciences, Purdue University, West Lafayette, IN 47907, USA.

5. Southwest Research Institute, Boulder, CO 80302, USA.

6. Department of Terrestrial Magnetism, Carnegie Institution of Washington, Washington, DC 20015, USA.

7. Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964, USA.

8. Institut de Physique du Globe de Paris, Sorbonne Paris Cité, Université Paris Diderot, Case 7071, Lamarck A, 5, rue Thomas Mann, 75205 Paris Cedex 13, France.

9. University of Maryland, Baltimore County, Baltimore, MD 21250, USA.

Abstract

The Holy GRAIL? The gravity field of a planet provides a view of its interior and thermal history by revealing areas of different density. GRAIL, a pair of satellites that act as a highly sensitive gravimeter, began mapping the Moon's gravity in early 2012. Three papers highlight some of the results from the primary mission. Zuber et al. (p. 668 , published online 6 December) discuss the overall gravity field, which reveals several new tectonic and geologic features of the Moon. Impacts have worked to homogenize the density structure of the Moon's upper crust while fracturing it extensively. Wieczorek et al. (p. 671 , published online 6 December) show that the upper crust is 35 to 40 kilometers thick and less dense—and thus more porous—than previously thought. Finally, Andrews-Hanna et al. (p. 675 , published online 6 December) show that the crust is cut by widespread magmatic dikes that may reflect a period of expansion early in the Moon's history.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference42 articles.

1. M. T. Zuber D. E. Smith D. H. Lehman M. M. Watkins Gravity Recovery and Interior Laboratory mission: Facilitating future exploration to the Moon. Int. Astronaut. Congress 12 B4 (2012).

2. Mascons: Lunar Mass Concentrations

3. Farside Gravity Field of the Moon from Four-Way Doppler Measurements of SELENE (Kaguya)

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5. Recent Gravity Models as a Result of the Lunar Prospector Mission

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