Results 111 to 120 of about 736,131 (304)
Thermal Structure of the Martian Upper Atmosphere From MAVEN NGIMS
Journal of Geophysical Research: Planets, 2018 The Neutral Gas and Ion Mass Spectrometer (NGIMS) aboard the NASA Mars Atmosphere and Volatile EvolutioN (MAVEN) mission measures the structure and variability of the Martian upper atmosphere.
S. Stone +4 more
semanticscholar +1 more source
Photovoltaic array for Martian surface power [PDF]
Missions to Mars will require electric power. A leading candidate for providing power is solar power produced by photovoltaic arrays. To design such a power system, detailed information on solar-radiation availability on the Martian surface is necessary.
Appelbaum, J., Landis, G. A.
core +1 more source
Martian north polar cap summer water cycle
, 2016 A key outstanding question in Martian science is 'are the polar caps gaining or losing mass and what are the implications for past, current and future climate?' To address this question, we use observations from the Compact Reconnaissance Imaging ...
Becerra, Patricio +3 more
core +1 more source
Diagenetic, Nonevaporative Origin for Calcium Sulfate Salts at Gale Crater
Geochemistry, Geophysics, Geosystems, Volume 26, Issue 12, December 2025.Abstract Sulfate salts are deposited most commonly as evaporites on Earth; however, this is not their only origin. Pyrite oxidation during subsurface weathering is another common process on Earth that also produces a suite of sulfate salts—including the acidic phases jarosite and alunite—in sedimentary deposits.
Hemani Kalucha +4 more
wiley +1 more source
An estimation of the mass dragged by the solar wind from Mars’s atmosphere in its geologic history [PDF]
Geofísica Internacional, 2001 In the past Mars had a denser atmosphere, but it lacks a magnetic field to protect the ionosphere and exosphere from the solar wind. A model for describing the loss of atmosphere in geologic time is presented.
Héctor Javier Durand-Manterola
doaj
The problem of using Mariner IV IONOSPHERIC densities to deduce a model of the Martian atmospheric structure [PDF]
Martian atmosphere model deduced from Mariner IV IONOSPHERE electron density ...
Donahue, T. M.
core +1 more source
Seven-year climatology of dust opacity on Mars [PDF]
, 2012 This paper describes the procedure we have used to produce multi-annual dust scenarios for Martian years 24 to 30 from a multi-instrument dataset of total dust opacity observations.
Forget, F. +3 more
core
Journal of Geophysical Research: Planets, Volume 130, Issue 12, December 2025.Abstract We investigate spatiotemporal characteristics of helium (He) bulges using data from the Neutral Gas and Ion Mass Spectrometer aboard NASA's Mars Atmosphere and Volatile EvolutioN Mission and numerical simulations from the Mars Planetary Climate Model (MarsPCM). During equinoxes, we observed a He bulge at equatorial latitudes in addition to the
Neha Gupta +9 more
wiley +1 more source
Meteoroid Fragmentation in the Martian Atmosphere and the Formation of Crater Clusters. [PDF]
J Geophys Res Planets, 2022 Collins GS +8 more
europepmc +1 more source
The chemical effects of the Martian environment on power system component materials: A theoretical approach [PDF]
In the foreseeable future, an expedition may be undertaken to explore the planet Mars. Some of the power source options being considered for such a mission are photovoltaics, regenerative fuel cells and nuclear reactors.
Gaier, James R., Perez-Davis, Marla E.
core +1 more source