Roger J Phillips
Overview
Explore the profile of Roger J Phillips including associated specialties, affiliations and a list of published articles.
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28
Citations
277
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Recent Articles
11.
Zuber M, Smith D, Watkins M, Asmar S, Konopliv A, Lemoine F, et al.
Science
. 2012 Dec;
339(6120):668-71.
PMID: 23223395
Spacecraft-to-spacecraft tracking observations from the Gravity Recovery and Interior Laboratory (GRAIL) have been used to construct a gravitational field of the Moon to spherical harmonic degree and order 420. The...
12.
Wieczorek M, Neumann G, Nimmo F, Kiefer W, Jeffrey Taylor G, Jay Melosh H, et al.
Science
. 2012 Dec;
339(6120):671-5.
PMID: 23223394
High-resolution gravity data obtained from the dual Gravity Recovery and Interior Laboratory (GRAIL) spacecraft show that the bulk density of the Moon's highlands crust is 2550 kilograms per cubic meter,...
13.
Andrews-Hanna J, Asmar S, Head 3rd J, Kiefer W, Konopliv A, Lemoine F, et al.
Science
. 2012 Dec;
339(6120):675-8.
PMID: 23223393
The earliest history of the Moon is poorly preserved in the surface geologic record due to the high flux of impactors, but aspects of that history may be preserved in...
14.
Zuber M, Smith D, Phillips R, Solomon S, Neumann G, Hauck 2nd S, et al.
Science
. 2012 Mar;
336(6078):217-20.
PMID: 22438510
Laser altimetry by the MESSENGER spacecraft has yielded a topographic model of the northern hemisphere of Mercury. The dynamic range of elevations is considerably smaller than those of Mars or...
15.
Smith D, Zuber M, Phillips R, Solomon S, Hauck 2nd S, Lemoine F, et al.
Science
. 2012 Mar;
336(6078):214-7.
PMID: 22438509
Radio tracking of the MESSENGER spacecraft has provided a model of Mercury's gravity field. In the northern hemisphere, several large gravity anomalies, including candidate mass concentrations (mascons), exceed 100 milli-Galileos...
16.
Phillips R, Davis B, Tanaka K, Byrne S, Mellon M, Putzig N, et al.
Science
. 2011 Apr;
332(6031):838-41.
PMID: 21512003
Shallow Radar soundings from the Mars Reconnaissance Orbiter reveal a buried deposit of carbon dioxide (CO(2)) ice within the south polar layered deposits of Mars with a volume of 9500...
17.
Holt J, Safaeinili A, Plaut J, Head J, Phillips R, Seu R, et al.
Science
. 2008 Nov;
322(5905):1235-8.
PMID: 19023078
Lobate features abutting massifs and escarpments in the middle latitudes of Mars have been recognized in images for decades, but their true nature has been controversial, with hypotheses of origin...
18.
Zuber M, Smith D, Solomon S, Phillips R, Peale S, Head 3rd J, et al.
Science
. 2008 Jul;
321(5885):77-9.
PMID: 18599773
A 3200-kilometers-long profile of Mercury by the Mercury Laser Altimeter on the MESSENGER spacecraft spans approximately 20% of the near-equatorial region of the planet. Topography along the profile is characterized...
19.
Solomon S, McNutt Jr R, Watters T, Lawrence D, Feldman W, Head J, et al.
Science
. 2008 Jul;
321(5885):59-62.
PMID: 18599768
In January 2008, the MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) spacecraft became the first probe to fly past the planet Mercury in 33 years. The encounter revealed that...
20.
Phillips R, Zuber M, Smrekar S, Mellon M, Head J, Tanaka K, et al.
Science
. 2008 May;
320(5880):1182-5.
PMID: 18483402
The Shallow Radar (SHARAD) on the Mars Reconnaissance Orbiter has imaged the internal stratigraphy of the north polar layered deposits of Mars. Radar reflections within the deposits reveal a laterally...