Results 71 to 80 of about 73,723 (218)

Lunar dust simulant containing nanophase iron and method for making the same [PDF]

, 2012
A lunar dust simulant containing nanophase iron and a method for making the same. Process (1) comprises a mixture of ferric chloride, fluorinated carbon powder, and glass beads, treating the mixture to produce nanophase iron, wherein the resulting lunar ...
Hung, Chin-cheh, McNatt, Jeremiah
core  

The Influence of Space Weathering on the Far‐Ultraviolet Reflectance of Apollo‐Era Soils

Journal of Geophysical Research: Planets, Volume 130, Issue 12, December 2025.
Abstract Building on our previous studies of the far‐ultraviolet (FUV) reflectance of Apollo soil 10084 and lunar soil simulants JSC‐1A and LMS‐1 (Gimar et al., 2022, https://doi.org/10.1029/2022je007508; Raut et al., 2018, https://doi.org/10.1029/2018je005567), we present new FUV results for Apollo soils 68501 and 71061. Heavily weathered soils (68501,
C. J. Gimar, U. Raut, A. Stevanovic, L. C. Mayorga, S. Protopapa, B. D. Byron, K. D. Retherford, T. K. Greathouse, M. J. Poston, J. T. S. Cahill, D. N. Qasim   +10 more
wiley   +1 more source

Horizons and opportunities in lunar sample science [PDF]

, 1985
The lunar sample research program was especially productive, but by no means have all the important answers been determined; continued study of lunar samples will further illuminate the shadows of our knowledge about the solar system.by Lunar and ...
Lunar and Planetary Sample Team
core  

A Comprehensive Review of Additive Manufacturing for Space Applications: Materials, Advances, Challenges, and Future Directions

Advanced Engineering Materials, Volume 27, Issue 22, November 2025.
Additive manufacturing (AM) transforms space hardware by enabling lightweight, high‐performance, and on‐demand production. This review outlines AM processes—powder bed fusion (PBF), directed energy deposition (DED), binder jetting (BJ), sheet lamination (SL), and material extrusion (ME)—applied to propulsion, satellite structures, and thermal devices ...
Stelios K. Georgantzinos, Eleni Papadopoulou, Grigorios Kostopoulos, Stefanos Voulgaris, Alexandra Tseni, Panteleimon Bakalis, Maria Gkara, Chara C. Mitropoulou, Nikos D. Lagaros   +8 more
wiley   +1 more source

EAC-1A: A novel large-volume lunar regolith simulant [PDF]

, 2020
The European Astronaut Centre (EAC) is currently constructing the European Lunar Exploration Laboratory (LUNA), a large training and operations facility to be located adjacent to EAC at the DLR (German Aerospace Centre) campus in Cologne, Germany.
Sperl, M., Sperl, Matthias, Engelschiøn, Victoria Sjøholt, Meurisse, A., Eriksson, Sarah, Kueppers, U, Fateri, Miranda, Kueppers, Ulrich, Engelschiøn, Victoria, Cowley, Aidan, Küppers, Ulrich, Fateri, M., Eriksson, S. R., Cowley, A., Engelschion, V. S., Meurisse, Alexandre   +15 more
core   +1 more source

Robotic Arm Geomechanical Experiments and Analyses to Enable Lunar Science and Settlement

Earth and Space Science, Volume 12, Issue 11, November 2025.
Abstract This study evaluates the capability of a robotic arm equipped with a force‐torque sensor and a specially designed scoop to perform geomechanical characterization of high‐fidelity lunar highlands regolith simulant. Experiments focused on pressure‐sinkage, shear strength, and angle of repose to assess the performance and applicability of the ...
J. M. Long‐Fox, R. P. Mueller, E. A. Bell, M. A. Gudino, E. J. Bidot Lopez, T. Lipscomb, R. L. McCormick, E. Marteau, S. J. Moreland, D. T. Britt   +9 more
wiley   +1 more source

Morphological and Spectral Characterization of Lunar Regolith Breakdown due to Water Ice

The Planetary Science Journal
Remote sensing observations of the Moon suggest that the lunar polar regolith environment is affected by several natural processes that may cause the regolith in these regions to become more porous and fine particulate.
A. Shackelford, K. L. Donaldson Hanna, M. Horton, D. Noce   +3 more
doaj   +1 more source

A Study Demonstrating That Using Gravitational Offset to Prepare Extraterrestrial Mobility Missions Is Misleading

Journal of Field Robotics, Volume 42, Issue 7, Page 3772-3794, October 2025.
ABSTRACT Recently, there has been a surge of international interest in extraterrestrial exploration targeting the Moon, Mars, the moons of Mars, and various asteroids. This contribution discusses how current state‐of‐the‐art Earth‐based testing for designing rovers and landers for these missions currently leads to overly optimistic conclusions about ...
Wei Hu, Pei Li, Arno Rogg, Alexander Schepelmann, Samuel Chandler, Ken Kamrin, Dan Negrut   +6 more
wiley   +1 more source

Analysis and Testing of Load Characteristics for Rotary-Percussive Drilling of Lunar Rock Simulant with a Lunar Regolith Coring Bit

Shock and Vibration, 2017
Based on an optimized lunar regolith coring bit (LRCB) configuration, the load characteristics of rotary-percussive drilling of lunar rock simulant in a laboratory environment are analyzed to determine the effects of the drilling parameters (the ...
Peng Li, Hui Zhang, Shengyuan Jiang, Weiwei Zhang   +3 more
doaj   +1 more source

Accumulation of Dust on a Surface and the Subsequent Formation of Compact Aggregate Piles

Journal of Geophysical Research: Planets, Volume 130, Issue 10, October 2025.
Abstract Dust aggregation is a prominent topic in space physics, yet the accumulation of dust on surfaces in airless environments remains poorly understood. It is commonly assumed that, during the initial stages of dust deposition, particles spread uniformly to form a monolayer.
G. Griffin, J. Martinez, P. Adamson, L. Matthews, T. W. Hyde   +4 more
wiley   +1 more source