Results 61 to 70 of about 1,240 (223)
The stratigraphy and history of Mars' northern lowlands through mineralogy of impact craters: A comprehensive survey [PDF]
The basin-filling materials of the northern lowlands, which cover approximately one third of Mars' surface, record the long-term evolution of Mars' geology and climate.
Carter, John +3 more
core +2 more sources
Statistics of Mars' topography from the Mars Orbiter Laser Altimeter: Slopes, correlations, and physical Models [PDF]
Data obtained recently by the Mars Orbiter Laser Altimeter (MOLA) were used to study the statistical properties of the topography and slopes on Mars. We find that the hemispheric dichotomy, manifested as an elevation difference, can be described by long ...
Aharonson, Oded +2 more
core +1 more source
Abstract Oxychlorines (i.e., perchlorates (ClO4−) and chlorates (ClO3−)) have been detected by several landed missions on Mars at various locations. These missions have provided crucial information about the geographic distribution and abundances of oxychlorines on Mars but have not definitively identified the cation and anion type of in situ, solid ...
J. V. Clark +15 more
wiley +1 more source
Martian clouds observed by Mars Global Surveyor Mars Orbiter Camera [PDF]
We have made daily global maps that cover both polar and equatorial regions of Mars for Ls 135°–360° and 0°–111° using the Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) red and blue wide-angle swaths taken from May 1999 to January 2001.
Ingersoll, Andrew P., Wang, Huiqun
core +2 more sources
Abstract Dust in the atmosphere of Mars, along with its radiative effects, is the central factor for understanding the Martian climate. Global circulation models and remote sensing observations are used to shed light on the evolution of Martian dust storms.
Demetrius Ramette +4 more
wiley +1 more source
"... contains papers that have been accepted for the Workshop on the Martian Northern Plains: Sedimentological, Periglacial, and Paleoclimatic Evolution, August 12-14, 1993, in Fairbanks, Alaska ..."sponsored by MSATT Study Group, Lunar and Planetary ...
core +3 more sources
Crater-based Dating of Hebrus Valles and Hephaestus Fossae, Mars
Hebrus Valles (HV) and Hephaestus Fossae (HF) are connected outflow channel systems in Utopia Planitia, Mars. Previous investigations concluded that these features were carved by liquid water into a tectonically fractured terrain in the Late Hesperian or
Reed Spurling +2 more
doaj +1 more source
Oxychlorine Species on Mars: A Review
Abstract Oxychlorine species (mainly perchlorate and chlorate) have been identified at multiple locations on the surface of Mars by both orbiter and in situ rovers. They have also been found in martian meteorites. Cl‐isotopes in meteoritic minerals suggest that an oxychlorine cycle has been operating on the martian surface for the last ∼4 billion years.
Kaushik Mitra
wiley +1 more source
Abstract Morphological analyses of Viscous Flow Features (VFFs) in the mid‐latitude regions of Mars have led to the hypothesis that these landforms are equivalent to debris‐covered glaciers. Phlegra Montes is a 1400‐km‐long mountain range in the northern mid‐latitudes that spans from 30° to 50°N, where there is an abundance of glacial landsystems ...
Chimira N. Andres, Isaac B. Smith
wiley +1 more source
Crater Retention Timescales of Brain Coral Terrain Record Past Climatic Change on Mars
Glacial landforms on Mars offer an opportunity to decipher the planet’s recent climate history. We used crater size frequency distributions of brain coral terrain on concentric crater fill, lobate debris aprons, and lineated valley fill, all of which ...
Alexander M. Morgan +3 more
doaj +1 more source

