Results 71 to 80 of about 27,317 (231)

Seven-year climatology of dust opacity on Mars [PDF]

open access: yes, 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  

Morphology of the Excited Hydroxyl in the Martian Atmosphere: A Model Study—Where to Search for Airglow on Mars?

open access: yesRemote Sensing
Monitoring excited hydroxyl (OH*) airglow is broadly used for characterizing the state and dynamics of the terrestrial atmosphere. Recently, the existence of excited hydroxyl was confirmed using satellite observations in the Martian atmosphere.
Dmitry S. Shaposhnikov   +4 more
doaj   +1 more source

Advective Fluxes in the Martian Regolith as a Mechanism Driving Methane and Other Trace Gas Emissions to the Atmosphere

open access: yesGeophysical Research Letters, 2020
Advective fluxes influence methane and CO2 soil emissions into the atmosphere on Earth and may drive trace gas emissions in the Mars atmosphere. However, their relevance in the Martian regolith has not been evaluated to date.
D. Viúdez‐Moreiras   +6 more
doaj   +1 more source

Very high elevation water ice clouds on Mars: Their morphology and temporal behavior [PDF]

open access: yes
Quantitative analysis of Viking images of the martian planetary limb has uncovered the existence and temporal behavior of water ice clouds that form between 50 and 90 km elevation.
Jaquin, Fred
core   +1 more source

Erratum to: LIDAR for Investigation of the Martian Atmosphere from the Surface [PDF]

open access: hybrid, 2023
A. N. Lipatov   +10 more
openalex   +1 more source

A First Look at Carbon and Oxygen Stable Isotope Measurements of Martian Atmospheric C02 by the Phoenix Lander [PDF]

open access: yes, 2009
Precise stable isotope measurements of the CO2 in the martian atmosphere have the potential to provide important constraints for our understanding of the history of volatiles, the carbon cycle, current atmospheric processes, and the degree of water/rock ...
Boynton, W.V.   +4 more
core   +1 more source

Kinetic model of carbonate dissolution in Martian meteorite ALH84001 [PDF]

open access: yes, 2003
The magnetites and sulfides located in the rims of carbonate globules in the Martian meteorite ALH84001 have been claimed as evidence of past life on Mars.
Humayun, Munir, Kopp, Robert E.
core   +1 more source

An estimation of the mass dragged by the solar wind from Mars’s atmosphere in its geologic history [PDF]

open access: yesGeofísica 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  

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