Results 31 to 40 of about 215 (119)

Characterization of a Lava Plain NW of Ascraeus Mons, Mars, Through Surface Morphometric Analyses and SHARAD Subsurface Detections

open access: yesJournal of Geophysical Research: Planets, Volume 131, Issue 1, January 2026.
Abstract The Martian lava plains are characterized by their extensive, low‐relief surfaces, which are the result of numerous basaltic eruptions and feature a variety of volcanic landforms, including vents, cones, pits, and skylights. The combination of these features and impact craters yields a significant understanding of the planet's geological past ...
G. Nodjoumi   +4 more
wiley   +1 more source

Thermal structure and dynamics of the Martian upper atmosphere at solar minimum from global circulation model simulations [PDF]

open access: yesAnnales Geophysicae, 2007
Simulations of the Martian upper atmosphere have been produced from a self-consistent three-dimensional numerical model of the Martian thermosphere and ionosphere, called MarTIM.
T. Moffat-Griffin   +3 more
doaj   +1 more source

Mars’ ionosphere: The key for systematic exploration of the red planet

open access: yesFrontiers in Astronomy and Space Sciences, 2023
The near three decades of continuous Mars’ exploration has opened the door to the understanding of the Martian space environment, which includes the solar wind, magnetosphere, ionosphere and atmosphere, and is a complex structure with simultaneous ...
Beatriz Sánchez-Cano
doaj   +1 more source

The Dominant Role of Crustal Fields in Structuring Electromagnetic Environment Within the Martian Dayside Magnetosphere

open access: yesGeophysical Research Letters, Volume 52, Issue 24, 28 December 2025.
Abstract Although Mars lacks an intrinsic global dipole magnetic field, the existence of crustal magnetic anomalies in the southern hemisphere causes the Martian magnetosphere to have the hybrid characteristics combining Venus‐like induced and Earth‐like intrinsic types.
Shibang Li   +8 more
wiley   +1 more source

Plasma Acceleration by Magnetic Tension Forces in the Martian Magnetotail: MAVEN Observations

open access: yesGeophysical Research Letters, Volume 52, Issue 24, 28 December 2025.
Abstract The Martian magnetotail is a dynamic region where several processes contribute to plasma acceleration. Here, we analyze ∼5 ${\sim} 5$ years of Mars Atmosphere and Volatile EvolutioN (MAVEN) data to evaluate the role of magnetic tension forces in driving plasma acceleration within current sheets in the tail. Based on magnetic field measurements,
Norberto Romanelli   +15 more
wiley   +1 more source

The Potential for a Networked Ionospheric Sounding Constellation

open access: yesSpace Weather, 2022
A novel networked sounding constellation mission concept is proposed. Radio sounding is the original sensing method that proved the existence of the ionosphere. Satellite‐borne sounders provided the first global observations of the terrestrial ionosphere
A. T. Chartier
doaj   +1 more source

Modeling of kilometer-scale ionospheric irregularities at Mars

open access: yesEarth and Planetary Physics, 2022
Recently, kilometer-scale Martian ionospheric irregularities have been measured by the Mars Atmosphere and Volatile EvolutioN (MAVEN) mission (Fowler et al., 2020).
ChunHua Jiang   +4 more
doaj   +1 more source

Radar Polarimetry in Glaciology: Theory, Measurement Techniques, and Scientific Applications for Investigating the Anisotropy of Ice Masses

open access: yesReviews of Geophysics, Volume 63, Issue 4, December 2025.
Abstract Dielectric anisotropy in ice alters the propagation of polarized radio waves, so polarimetric radar sounding can be used to survey anisotropic properties of ice masses. Ice anisotropy is either intrinsic, associated with ice‐crystal orientation fabric (COF), or extrinsic, associated with material heterogeneity, such as bubbles, fractures, and ...
Benjamin H. Hills   +30 more
wiley   +1 more source

MAVEN Observations of Metallic Fe+ Distributions in the Martian Ionosphere

open access: yesGeophysical Research Letters
Metallic ions deposited in planetary atmospheres via meteoroid ablation are an invaluable tool for understanding electric fields, atmospheric winds, and minor ion transport. At Mars, metallic ion distributions are poorly understood.
A. R. Poppe   +6 more
doaj   +1 more source

A Comparison of MAVEN SIR Observations With the Stationary WSA‐ENLIL Solar Wind Model

open access: yesJournal of Geophysical Research: Space Physics, Volume 130, Issue 12, December 2025.
Abstract Predicting times of arrival and properties of space weather events, such as coronal mass ejections and stream interaction regions (SIRs), has become an important focus of the space physics community within recent years. Extensive efforts have been undertaken to model these space weather events throughout the heliosphere in order to better ...
Sarah Henderson   +4 more
wiley   +1 more source

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