Results 121 to 130 of about 4,564 (304)

Optimal Design of High-Power Density Medium-Voltage Direct Current Bipolar Power Cables for Lunar Power Transmission

Aerospace
Power systems on the lunar surface require power lines of varying lengths and capacities to connect generation, storage, and load facilities. These lines must be designed to perform efficiently in the harsh lunar environment, considering factors such as ...
Anoy Saha, Mona Ghassemi
doaj   +1 more source

Bret/BRAT

Critical Quarterly, EarlyView.
Nicholas Smart
wiley   +1 more source

Geochemical investigation of impactites from the Boltysh impact structure and possible relationship to early Danian sediments from the Umbria–Marche Basin, Italy

Meteoritics &Planetary Science, EarlyView.
Abstract Within the Danian Scaglia Rossa Formation appears a regionally correlatable horizon cutting across multiple sections and outcrops within the Umbria–Marche Basin of NE Italy, where it is intercalated with uniform pelagic carbonate successions. This horizon is called “ALE layer” and has tentatively been interpreted as a fine‐grained volcanic ash.
Toni Schulz, Sophia Wernitznig, Christian Koeberl, Bérengère Mougel, Alessandro Montanari, Frédéric Moynier   +5 more
wiley   +1 more source

Lunar Meteoroid Impact Observations and the Flux of Kilogram-sized Meteoroids

, 2010
Lunar impact monitoring provides useful information about the flux of meteoroids in the tens of grams to kilograms size range. The large collecting area of the night side of the lunar disk, approximately 3.4x10(exp 6) sq km in our camera field-of-view ...
Suggs, Ronnie J., Koehler, Heather M., Swift, Wesley R., Cooke, William J., Moser, Danielle E., Suggs, Robert M.   +5 more
core   +1 more source

A New Robust Lunar Landing Selection Method Using the Bayesian Optimization of Extreme Gradient Boosting Model (BO-XGBoost)

Remote Sensing
The safety of lunar landing sites directly impacts the success of lunar exploration missions. This study develops a data-driven predictive model based on machine learning, focusing on engineering safety to assess the suitability of lunar landing sites ...
Shibo Wen, Yongzhi Wang, Qizhou Gong, Jianzhong Liu, Xiaoxi Kang, Hengxi Liu, Rui Chen, Kai Zhu, Sheng Zhang   +8 more
doaj   +1 more source

Pervasive impact modification of pristine lunar clasts

Nature Communications
Lunar rock fragments, particularly those deemed pristine, have long been considered vital records of the Moon's formation and magmatic evolution. These fragments were thought to have largely escaped the Moon's intense impact history, offering a window into the early lunar crust. However, the concept of "pristine" is increasingly debated, as traditional
M. Barboni, E. Needham, D. Trail, E. A. Bell, Hsin-Yu Chen   +4 more
openaire   +3 more sources

Visible, near‐, and thermal infrared spectra of asteroid Bennu samples: Relationship to and implications for remote sensing of carbonaceous asteroids

Meteoritics &Planetary Science, EarlyView.
Abstract Remote spectroscopy is used to characterize the mineralogy and infer the history of planetary bodies. Carbonaceous asteroids, such as B‐type (101955) Bennu, represent the earliest stages of planet formation. B types have a blue (negative) spectral slope and comprise <5% of asteroids.
V. E. Hamilton, E. A. Cloutis, R. E. Milliken, P. Haenecour, D. R. Golish, K. J. Domanik, T. J. McCoy, L. P. Keller, A. A. Simon, H. H. Kaplan, C. A. Goodrich, S. A. Sandford, D. Applin, T. Hiroi, D. H. Hill, N. G. Lunning, F. M. McCubbin, S. A. Eckley, C. J. Snead, E. H. Blumenfeld, J. E. Aebersold, C. Schultz, N. Bowles, K. A. Shirley, S. S. Russell, J. J. Barnes, T. J. Zega, D. N. DellaGiustina, A. J. Ryan, D. P. Glavin, J. P. Dworkin, H. C. Connolly Jr., D. S. Lauretta   +32 more
wiley   +1 more source

Interdisciplinary studies by the Imbrium Consortium. Volume 1. Samples 14064, 14082, 14312, 14318, 15405, and 15445

, 1976
Multidisciplinary analysis of Apollo 14 and Apollo 15 breccias likely to be samples of ejecta from the Imbrium Basin.Publication of this report was supported by NASA Lunar Sample Analysis Grant NGL 09-015-150, as was much of the research reported in ...
Ryder, Graham, Wood, John A., 1932-
core  

NELIOTA: New results and updated statistics after 6.5 years of lunar impact flashes monitoring

We present results of the Near-Earth objects Lunar Impacts and Optical TrAnsients (NELIOTA) campaign for lunar impact flashes observed with the 1.2 m Kryoneri telescope.
P. Boumis, A. Maroussis, E. M. Xilouris, Bellas-Velidis, Ioannis, Liakos, Alexios, Xilouris, Emmanouil M., A. Z. Bonanos, R. Moissl, Boumis, Panagiotis, Koschny, Detlef, Bonanos, Alceste Z., Moissl, Richard, A. Liakos, D. Koschny, Maroussis, Athanassios, I. Bellas-Velidis   +15 more
core   +2 more sources

LifeMet: Report on the 2024–2025 meteorite recovery expedition in Dronning Maud Land, Antarctica for the study of microbe–meteorite interactions

Meteoritics &Planetary Science, EarlyView.
Abstract Since the discovery of nine meteorites near the Yamato mountains in 1969, Antarctica has been recognized as a superb location for meteorite recovery. While Antarctic recovery expeditions prioritize meteorite preservation for mineralogical and planetary studies, meteorites are not typically collected for biological applications.
Rachael Lappan, Rachel S. Kirby, Andrew G. Tomkins   +2 more
wiley   +1 more source