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Record Details

Record 1 of 31687
The Miniature Radio Frequency Instruments (Mini-RF) Global Observations of Earth's Moon
External Online Source: doi:10.1016/j.icarus.2014.07.018
Author and Affiliation:
Cahill, Joshua T. S.(Johns Hopkins Univ., Applied Physics Lab, Laurel, MD, United States)
Thomson, B. J.(Boston Univ., Boston, MA, United States)
Patterson, G. Wesley(Johns Hopkins Univ., Applied Physics Lab, Laurel, MD, United States)
Bussey, D. Benjamin J.(Johns Hopkins Univ., Applied Physics Lab, Laurel, MD, United States)
Neish, Catherine D.(Florida Inst. of Technology, Melbourne, FL, United States)
Lopez, Norberto R.(Johns Hopkins Univ., Applied Physics Lab, Laurel, MD, United States)
Turner, F. Scott(Johns Hopkins Univ., Applied Physics Lab, Laurel, MD, United States)
Aldridge, T.(Johns Hopkins Univ., Applied Physics Lab, Laurel, MD, United States)
McAdam, M.(Maryland Univ., College Park, MD, United States)
Meyer, H. M.(Arizona State Univ., Phoenix, AZ, United States) Show more authors
Abstract: Radar provides a unique means to analyze the surface and subsurface physical properties of geologic deposits, including their wavelength-scale roughness, the relative depth of the deposits, and some limited compositional information. The NASA Lunar Reconnaissance Orbiter's (LRO) Miniature Radio Frequency (Mini-RF) instrument has enabled these analyses on the Moon at a global scale. Mini-RF has accumulated 67% coverage of the lunar surface in S-band (12.6 cm) radar with a resolution of 30 m/pixel. Here we present new Mini-RF global orthorectified uncontrolled S-band maps of the Moon and use them for analysis of lunar surface physical properties. Reported here are readily apparent global- and regional-scale differences in lunar surface physical properties that suggest three distinct terranes, namely: a (1) Nearside Radar Dark Region; (2) Orientale basin and continuous ejecta; and the (3) Highlands Radar Bright Region. Integrating these observations with new data from LRO's Diviner Radiometer rock abundance maps, as well Clementine and Lunar Prospector derived compositional values show multiple distinct lunar surface terranes and sub-terranes based upon both physical and compositional surface properties. Previous geochemical investigations of the Moon suggested its crust is best divided into three to four basic crustal provinces or terranes (Feldspathic Highlands Terrane (-An and -Outer), Procellarum KREEP Terrane, and South Pole Aitken Terrane) that are distinct from one another. However, integration of these geochemical data sets with new geophysical data sets allows us to refine these terranes. The result shows a more complex view of these same crustal provinces and provides valuable scientific and hazard perspectives for future targeted human and robotic exploration.
Publication Date: Aug 21, 2014
Document ID:
20160008401
(Acquired Jul 11, 2016)
Subject Category: LUNAR AND PLANETARY SCIENCE AND EXPLORATION; GEOPHYSICS
Report/Patent Number: GSFC-E-DAA-TN21227
Document Type: Journal Article
Publication Information: Icarus; Volume 243; 173-190
Publisher Information: Science Direct
Contract/Grant/Task Num: NNN06AA01C; NNN10AA19T
Financial Sponsor: NASA Goddard Space Flight Center; Greenbelt, MD United States
Organization Source: NASA Goddard Space Flight Center; Greenbelt, MD United States
Description: 18p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: RADIO FREQUENCIES; LUNAR ORBITER; RECONNAISSANCE; SURFACE ROUGHNESS; GEOPHYSICS; CRUSTS; LUNAR SURFACE; SURFACE PROPERTIES; RADIOMETERS; TERRAIN; MOON; MINIATURIZATION
Other Descriptors: MOON; CRATERING VOLCANISM; RADAR OBSERVATIONS
Availability Source: Other Sources
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