Results 71 to 80 of about 33,048 (213)

Near-infrared Photometry of the Moon’s Surface with Passive Radiometry from the Lunar Orbiter Laser Altimeter (LOLA)

open access: yesThe Planetary Science Journal
Examining the reflectance of the Moon’s surface across a broad range of viewing geometries through photometric analysis can reveal physical and geological properties of its regolith.
Ryan T. Walker   +7 more
doaj   +1 more source

A preliminary analysis of the Mariner 10 color ratio map of Mercury [PDF]

open access: yes
A preliminary geological analysis of the Mariner 10 orange/UV color ratio map of Mercury is given, assuming a basaltic crust. Certain errors in the map are pointed out. The relationship between color and terrain are distinctly non-lunar.
Hapke, Bruce, Rava, Barry
core   +1 more source

The surface abundance and stratigraphy of lunar rocks from data about their albedo [PDF]

open access: yes
The data pf ground-based studies and surveys of the lunar surface by the Zond and Apollo spacecraft have been used to construct an albedo map covering 80 percent of the lunar sphere.
Shevchenko, V. V.
core   +1 more source

Varieties of lunar meteorites recovered from Antarctica [PDF]

open access: yes, 1991
By the 1988-1989 field season, more than 10 specimens of lunar meteorites have been recovered in Antarctica by the U. S. and Japanese Expeditions. The specimens from the Yamato Mountains, Allan Hills and MacAlpine Hills (Y-791197,Y-82192/193,Y-86032 [1],
Hideyasu Kojima, Keizo Yanai
core   +1 more source

Helium mining on the Moon: Site selection and evaluation [PDF]

open access: yes
The feasibility of recovering helium (He) from the Moon as a source of fusion energy on Earth is currently being studied at the University of Wisconsin. Part of this study is selection and evaluation of potential sites for lunar He mining.
Cameron, Eugene N.
core   +1 more source

Martian Cratering 4: Mariner 9 Initial Analysis of Cratering Chronology [PDF]

open access: yes, 1973
Early analyses of cratering and other Martian surface properties that indicated extensive ancient erosion have been strongly supported by Mariner 9 data.
Hartmann, W. K.
core   +1 more source

New Explanation for the Near-Side/Far-Side Lunar Maria Disparity

open access: yesJournal of Geography, Environment and Earth Science International, 2022
Any attempt to understand the origin of lunar maria must as well account for the dearth of maria on the far-side of the Moon. Various attempts have been made to explain the origin of lunar maria based solely upon obvious lunar processes, namely, volcanism and impact phenomena.
openaire   +3 more sources

Experimental Impacts into Strength-Layered Targets: Crater Morphology and Morphometry [PDF]

open access: yes
Impact cratering is a fundamental physical process that has dominated the evolution and modification of nearly every planetary surface in the Solar System.
Anderson, J. L. B.   +6 more
core   +1 more source

Analysis of Surface Age Dating Techniques and Uncertainties through Comparison of Independently Determined Crater Size–Frequency Distributions at Two Lunar Landing Sites

open access: yesThe Planetary Science Journal
This study compares differences in crater-count-based measurement techniques and determines lava flow ages for geologic context at two NASA Commercial Lunar Payloads Services (CLPS) landing sites.
Thomas A. Giguere   +4 more
doaj   +1 more source

New insight into the composition of the lunar surface from SiO2 map

open access: yesFrontiers in Astronomy and Space Sciences
The distribution of FeO and TiO2 reveals mantle source characteristics and basaltic diversity, whereas SiO2 distribution is closely related to magma evolution and crustal differentiation. However, global studies on SiO2 remain limited.
Wencong Chen   +5 more
doaj   +1 more source

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