Results 61 to 70 of about 3,658,224 (185)

LRAD – The Radiometer for the Lunar South Pole Hopper μNOVA. [PDF]

, 2023
Permanently shadowed regions (PSRs) are present at the Lunar poles. The surface temperature inside a PSR can remain below 110K, low enough fow stable water ice to exist in vacuum. The presence of ater ice at the Lunar Poles has been indicated by remote sensing bservations, in particular by the Lunar Prospector, LCROSS, and LRO missions.
Hamm, Maximilian, Grott, Matthias, Knollenberg, Jörg, Robinson, Mark S., Atwell, M., Mabe, K., Martin, T., Rauer, Heike   +7 more
openaire   +1 more source

Confined spaces in space: Cerebral implications of chronic elevations of inspired carbon dioxide and implications for long‐duration space travel

Experimental Physiology, Volume 111, Issue 9, Page 3968-3982, 1 September 2026.
Abstract Cerebrovascular regulation is critically dependent upon the arterial partial pressure of carbon dioxide (PaCO2${P_{{\mathrm{aC}}{{\mathrm{O}}_{\mathrm{2}}}}}$), owing to its effect on cerebral blood flow, tissue PCO2${P_{{\mathrm{C}}{{\mathrm{O}}_{\mathrm{2}}}}}$, tissue proton concentration, cerebral metabolism and cognitive and neuronal ...
Jay M. J. R. Carr, Philip N. Ainslie, Trevor Day   +2 more
wiley   +1 more source

Displaced solar sail orbits : dynamics and applications [PDF]

, 2010
We consider displaced periodic orbits at linear order in the circular restricted Earth-Moon system, where the third massless body is a solar sail. These highly non-Keplerian orbits are achieved using an extremely small sail acceleration.
Simo, Jules, McInnes, Colin R.
core   +4 more sources

Crustal Density Differences Along Mars' Dichotomy Boundary From Gravity and Topography

Geophysical Research Letters, Volume 53, Issue 16, 28 August 2026.
Abstract Seismic data for Mars has provided constraints on the thickness of its crust, but its density and how much it varies spatially, especially across the hemispherical dichotomy, is still undetermined. We apply a novel constraint in the analysis of spacecraft tracking data to determine Mars' gravity field that allows for the determination of the ...
Sander Goossens, Terence J. Sabaka
wiley   +1 more source

On the stability of approximate displaced lunar orbits [PDF]

, 2010
In a prior study, a methodology was developed for computing approximate large displaced orbits in the Earth-Moon circular restricted three-body problem (CRTBP) by the Moon-Sail two-body problem.
Simo, Jules, McInnes, Colin
core   +3 more sources

Locating Moonquakes With Single‐Station Seismology

Geophysical Research Letters, Volume 53, Issue 16, 28 August 2026.
Abstract Renewed international interest in lunar seismometer deployments requires robust single‐station location approach for the highly scattering Moon's crust. We present an event‐location strategy using major lunar event types recorded by the Apollo seismic network. Frequency‐dependent polarization analysis provides P‐wave back‐azimuth and incidence,
Doyeon Kim, Jung‐Hun Song, Nicholas C. Schmerr   +2 more
wiley   +1 more source

Thermal Stability of Ice at Shackleton Crater: Implications for Water Ice Detection for the Chang’E-7 Mission

The Planetary Science Journal
The candidate landing region for China’s Chang’E-7 (CE-7) lunar exploration mission is near Shackleton crater at the lunar south pole, and the CE-7 mission will perform in situ detection of water ice.
Jie Zhang, Yang Liu, Dijun Guo, Feng Zhang, Changbin Xue, Yongliao Zou   +5 more
doaj   +1 more source

A GEO‐LEO Imager Data Set for Characterizing Rapid Changes of Global Aerosol Properties

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 15, 16 August 2026.
Abstract Aerosols, the ubiquitous small particulates in our atmosphere, have climate, air quality, and/or other impacts far from their original sources. The Dark Target Algorithm (DTA), originally developed for retrieving aerosol properties from satellite imagers in Low‐Earth Orbit (LEO), has been ported to imagers in Geostationary (GEO) orbit. Using a
R. C. Levy, P. Gupta, Y. R. Shi, L. A. Remer, M. Kim, M. M. Oo, J. Wei, V. R. Sawyer, V. P. Kiliyanpilakkil, R. E. Holz, B. Ramachandran, R. B. Pierce, S. Mattoo   +12 more
wiley   +1 more source

A Lunar South Pole Exploring Robot

, 1997
this report we will present a description of a working model of the Lunar South Pole environment followed by a full mission concept and the design for Icebreaker, a mobile robot capable of searching for ice on the south pole of the Moon.
South Pole, Cmu-Ri-Tr- Professor, Matthew C. Deans, Alex D. Foessel, Diana Labelle, Kimberly J. Shillcutt, Gregory A. Fries, N. Keith, Ben Shamah, Lay Stewart Moorehead   +9 more
core  

Centimeter-Scale Roughness Characteristics of Lunar Geological Structures and Permanently Shadowed Regions: Insights From Mini-RF SAR Data

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Topographic roughness is a critical parameter in lunar exploration and scientific research due to its scale-dependent properties. Synthetic aperture radar (SAR) is a powerful tool for characterizing lunar surface physical properties.
Yao Gao, Bo Wu, Jiapei Hu, Yi Xu, Fei Zhao, Zihan Xu, Pingping Lu, Robert Wang   +7 more
doaj   +1 more source