1998
DOI: 10.1126/science.281.5382.1476
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Improved Gravity Field of the Moon from Lunar Prospector

Abstract: An improved gravity model from Doppler tracking of the Lunar Prospector (LP) spacecraft reveals three new large mass concentrations (mascons) on the nearside of the moon beneath the impact basins Mare Humboltianum, Mendel-Ryberg, and Schiller-Zucchius, where the latter basin has no visible mare fill. Although there is no direct measurement of the lunar farside gravity, LP partially resolves four mascons in the large farside basins of Hertzsprung, Coulomb-Sarton, Freundlich-Sharonov, and Mare Moscoviense. The c… Show more

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Cited by 251 publications
(197 citation statements)
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“…5). The shape of the anomaly, particularly the strong shoulders near the margins, supports interpretations that it is dominated by the near-surface mare fill (Phillips et al, 1972;Konopliv et al, 1998). If this is the case, the basalt sequence in the interior of the basin may be generally uniform in thickness and thin rapidly at the margins; a shape not well approximated by an axially symmetric Gaussian-shaped sequence.…”
Section: T R Watters As Konopliu 1 Planetary and Space Science 4supporting
confidence: 49%
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“…5). The shape of the anomaly, particularly the strong shoulders near the margins, supports interpretations that it is dominated by the near-surface mare fill (Phillips et al, 1972;Konopliv et al, 1998). If this is the case, the basalt sequence in the interior of the basin may be generally uniform in thickness and thin rapidly at the margins; a shape not well approximated by an axially symmetric Gaussian-shaped sequence.…”
Section: T R Watters As Konopliu 1 Planetary and Space Science 4supporting
confidence: 49%
“…Although this interpretation of the subsurface structure is non-unique, it is consistent with the available data. Gravity data for Crisium, Humorum, Imbrium, and Nectaris suggest that the mare fill in these basins may also be roughly uniform in thickness and better approximated by broad tabular-shaped basalt sequences (Konopliv et al, 1998(Konopliv et al, , 2001). …”
Section: T R Watters As Konopliu 1 Planetary and Space Science 4mentioning
confidence: 99%
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“…The series of Tables 1-4 scale inversely with C/mR 2, here taken as 0.3932 with an uncertainty of 0.0002 [Konopliv et al, 1998]. The most important dissipation terms are at monthly, 206 day, annual, 3 year, and 6 year periods.…”
Section: Equations (18a) and (18b) Provide The Connection To Pl And P2'mentioning
confidence: 99%