Results 141 to 150 of about 24,776 (261)
Martian Proton Albedo as Signature of Near‐Surface Water
Abstract Understanding the Martian soil water budget is crucial not only for in situ resource utilization in future human missions to Mars, but also for reconstructing the geological and climatic history of the planet, as well as to assess the potential of ancient or even present microbial life.
Jan Leo Löwe +13 more
wiley +1 more source
Photogrammetric co-registration and photometric analysis of HRSC Phobos images
HRSC images from Mars Express Phobos flybys are used to study the photometric character of the surface of the Martian satellite. This investigation involves measuring of surface reflectance and illumination angles for estimates of a phase curve, and ...
Patsyn, V. +14 more
core
The detection of Martian polar ice cap change patterns is important for understanding their effects on driving Mars’s global water cycle and for regulating atmospheric circulation.
Weiye Xu +7 more
doaj +1 more source
Thermal Escape of Atomic Hydrogen on Mars: A Comprehensive View With a General Circulation Model
Abstract Mars loses water mainly through the photodissociation of water vapor, followed by the thermal escape of light hydrogen atoms. Observations have revealed large seasonal variations in hydrogen concentration in the upper thermosphere, peaking during southern summers and intensifying during dust storms.
Alexander S. Medvedev, Ngan H. D. Trinh
wiley +1 more source
Lightning is expected to occur on Mars within dust devils and dust storms, which are likely to discharge in the low pressure carbon dioxide environment.
C J Davis +7 more
core +1 more source
Properties of Solar Wind Current Sheets in the Martian Space Environment
Transient current sheets (CSs) are common magnetic structures in the solar wind that can significantly disturb the planetary space environment and cause space weather phenomena.
Yangjun Chen +8 more
doaj +1 more source
Abstract Seasonal CO2 and H2O ice blanket the Martian polar caps, and their spectral contributions mix during seasonal evolution. Particularly in late northern winter, the spectral signature of H2O ice obscures that of CO2 ice. Using the MARVIN chamber at York University, we produced controlled analogs of layered polar ice under Mars‐like pressure (∼6 ...
Jamie A. Isen +3 more
wiley +1 more source
Thermal Effects of Gravity Waves in Planetary Atmospheres
Abstract Internal atmospheric acoustic‐gravity waves substantially drive the global dynamical, thermal, and compositional structure of planetary atmospheres. While the dynamical effects of acoustic‐gravity waves have been extensively studied, especially on Earth and Mars, their thermal effects are insufficiently explored in planetary atmospheres.
Erdal Yiğit
wiley +1 more source
Abstract Asteroid compositional analysis relies on comparing reflectance spectra with laboratory data from well‐characterized meteorites. To advance this comparison, we performed a comprehensive laboratory analysis on a slab of the Northwest Africa (NWA) 7317—CR6 carbonaceous chondrite.
Simone Pascucci +10 more
wiley +1 more source

