Results 41 to 50 of about 736,131 (304)

Martian Proton Aurora Brightening Reveals Atmospheric Ion Loss Intensifying

open access: yesGeophysical Research Letters, 2023
The Martian proton aurora is a distinct aurora phenomenon resulting from the direct deposition of solar wind energy into Mars' dayside atmosphere. What solar wind parameters influence the aurora activity in the short term is yet unknown, as are the ...
Fei He   +12 more
doaj   +1 more source

Influence of gravity waves on the climatology of high-altitude Martian carbon dioxide ice clouds [PDF]

open access: yesAnnales Geophysicae, 2018
Carbon dioxide (CO2) ice clouds have been routinely observed in the middle atmosphere of Mars. However, there are still uncertainties concerning physical mechanisms that control their altitude, geographical, and seasonal distributions.
E. Yiğit, A. S. Medvedev, P. Hartogh
doaj   +1 more source

A global view of gravity waves in the Martian atmosphere inferred from a high‐resolution general circulation model [PDF]

open access: yes, 2015
Global characteristics of the small‐scale gravity wave (GW) field in the Martian atmosphere obtained from a high‐resolution general circulation model (GCM) are presented for the first time.
T. Kuroda   +3 more
semanticscholar   +1 more source

Earth – Mars Similarity Criteria for Martian Vehicles [PDF]

open access: yesINCAS Bulletin, 2010
In order to select the most efficient kind of a martian exploring vehicle, the similarity criteria are deduced from the equilibrium movement in the terrestrial and martian conditions.
Octavian TRIFU, George SAVU
doaj   +1 more source

The dust storm and its interaction with atmospheric waves on Mars

open access: yes地球与行星物理论评, 2021
Mars shares many similarities with Earth. The comparative study of the climate between the two planets is of great significance to understand the evolution of the Earth's atmosphere.
Zhaopeng Wu, Jing Li, Tao Li, Jun Cui
doaj   +1 more source

Gravity waves and high‐altitude CO2 ice cloud formation in the Martian atmosphere [PDF]

open access: yes, 2015
We present the first general circulation model simulations that quantify and reproduce patches of extremely cold air required for CO2 condensation and cloud formation in the Martian mesosphere.
Erdal Yiğit, A. Medvedev, P. Hartogh
semanticscholar   +1 more source

Cloud trains associated with Martian Mountain Lee Waves on the eastern side of the Phlegra Montes

open access: yesEarth, Planets and Space, 2023
Mountain lee waves have often been observed on the eastern side of the Phlegra Montes as wave trains visualized by water ice clouds in the Martian atmosphere. The seasonality and formation condition of these lee waves and associated cloud trains have not
Kazunori Ogohara, Maaya Ro
doaj   +1 more source

Distribution of Dune Landform on Mars

open access: yesFrontiers in Astronomy and Space Sciences, 2022
Dune landforms are widely distributed on Mars and contain abundant information about the Martian atmosphere and sedimentary environment. At present, the understanding of Martian dunes and their environmental significance still needs to be further ...
Li Chao, Dong Zhibao
doaj   +1 more source

A mesoscale model for the Martian atmosphere [PDF]

open access: yesJournal of Geophysical Research: Planets, 2002
The Pennsylvania State University/National Center for Atmosphere Research Mesoscale Model Version 5 (MM5) has been converted for use on Mars. Modifications are based on schemes implemented in the Geophysical Fluid Dynamics Laboratory Mars General Circulation Model (GCM).
Toigo, Anthony D., Richardson, Mark I.
openaire   +2 more sources

In situ observations of ions and magnetic field around Phobos: the mass spectrum analyzer (MSA) for the Martian Moons eXploration (MMX) mission

open access: yesEarth, Planets and Space, 2021
The mass spectrum analyzer (MSA) will perform in situ observations of ions and magnetic fields around Phobos as part of the Martian Moons eXploration (MMX) mission to investigate the origin of the Martian moons and physical processes in the Martian ...
Shoichiro Yokota   +16 more
doaj   +1 more source

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