Results 71 to 80 of about 24,756 (203)

Equatorial Anomalous Responses of the Mesosphere and Lower Thermosphere Temperature to Super Geomagnetic Storms Observed by TIMED/SABER

open access: yesGeophysical Research Letters, Volume 52, Issue 17, 16 September 2025.
Abstract It is well known that Mesosphere and Lower Thermosphere (MLT) temperatures at both high and mid‐low latitudes respond significantly to geomagnetic storms. However, during major geomagnetic storms, the temperature response in the MLT equator is relatively weak and has received little attention.
Jingyuan Li   +16 more
wiley   +1 more source

Enhanced Seismic Backscattering for Lava Tube Detection

open access: yesGeophysical Research Letters, Volume 52, Issue 16, 28 August 2025.
Abstract Lava tubes, a common volcanic feature on terrestrial planets, offer critical insights into lava flow processes and may serve as future potential habitats for space crews and other facilities on the Moon and Mars. Seismic detection of these features is challenging as the irregular morphology and rough cave ceilings and walls generate complex ...
Jingchuan Wang   +15 more
wiley   +1 more source

Rock Location and Property Analysis of Lunar Regolith at Chang’E-4 Landing Site Based on Local Correlation and Semblance Analysis

open access: yesRemote Sensing, 2020
The Lunar Penetrating Radar (LPR) onboard the Yutu-2 rover from China’s Chang’E-4 (CE-4) mission is used to probe the subsurface structure and the near-surface stratigraphic structure of the lunar regolith on the farside of the Moon.
Hanjie Song   +5 more
doaj   +1 more source

Strong Westward Current Pulse at Auroral Latitudes Extending to Dawn‐Side Low‐Latitudes Due To Enhanced Density Within Kelvin‐Helmholtz Wave Vortex in Solar Wind

open access: yesGeophysical Research Letters, Volume 52, Issue 15, 16 August 2025.
Abstract A series of coronal mass ejections (CMEs) from the Sun, interacted with one another and formed a complex interplanetary‐CME (ICME) that impinged Earth's magnetosphere on 10 May 2024 and caused the strongest geomagnetic storm of the past two decades.
B. Nilam   +7 more
wiley   +1 more source

Constraints on the Feasibility of Ferrovolcanism on Asteroid 16 Psyche

open access: yesJournal of Geophysical Research: Planets, Volume 130, Issue 8, August 2025.
Abstract Asteroid 16 Psyche's surface appears to be highly metallic, but its bulk density suggests a silicate‐rich interior. Ferrovolcanism has been suggested to explain how a silicate‐rich body could develop a metallic surface. This requires trapping of light elements bearing iron‐rich metallic melt in a core solidifying from the outside inwards.
J. J. Jorritsma, W. van Westrenen
wiley   +1 more source

Altitude Variations in Ionospheric Responses and Prolonged TEC Recovery During the High Latitude Solar Eclipse of 10 June 2021

open access: yesJournal of Geophysical Research: Space Physics, Volume 130, Issue 8, August 2025.
Abstract A solar eclipse leads to a local decrease in ionospheric density that generally follows the solar obscuration function, whereas the density recovery phase is often characteristically prolonged after the eclipse ended. By using simultaneous measurements of the European Incoherent Scatter Scientific Association incoherent radar and GNSS during ...
Hiroatsu Sato   +5 more
wiley   +1 more source

Rock Location and Quantitative Analysis of Regolith at the Chang’e 3 Landing Site Based on Local Similarity Constraint

open access: yesRemote Sensing, 2019
Structural analysis of lunar regolith not only provides important information about lunar geology but also provides a reference for future lunar sample return missions.
Bin Hu   +3 more
doaj   +1 more source

Notional Geological Traverses, Station Activities, and Sample Collection on Mons Malapert, Lunar South Polar Region

open access: yesJournal of Geophysical Research: Planets, Volume 130, Issue 7, July 2025.
Abstract The geology of a potential Artemis landing site on Mons Malapert is examined using remote sensing techniques and lessons learned from Apollo missions to the lunar surface. Orthomosaics, digital terrain models, illumination models, thermal conditions, crater size‐frequency distribution analyses, geomorphological mapping, spectral and ...
David A. Kring   +21 more
wiley   +1 more source

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