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Extensive glaciation in the Erebus Montes region of Mars
Sinha, Rishitosh K.; Ray, Dwijesh
Lobate debris apron (LDA) in the Mars' mid-latitudes substantiate extensive glaciation during the Late Amazonian. Detailed investigation of these landforms is imperative because different areas distributed at different latitudes, distinct geologic settings and varied regional topography may have responded to climate in different ways. In this stud…
Chrono-morphologic surface- a parameter to quantify craters' heterogeneity and its applicability on Mars
Căpitan, Radu Dan
On any solid planetary surface, crater populations in any given region show variations in their geomorphology related to their initial formation conditions and to their post-formation modifications. This ubiqutous and random distribution of craters in time and space defines a universal cratering characteristic- the craters heterogeneity, that is p…
Introduction to Icarus special issue "From Mars Express to ExoMars"
Lopez-Valverde, Miguel A.; Titov, Dmitrij V.; Wilson, Colin F.
In February 2018, the international community working on the investigation and exploration of the atmosphere and surface of Mars met at ESAC near Madrid for a few days conference, organized and funded by the project UPWARDS ("Understanding Planet Mars With Advanced Remote- ensing Datasets and Synergistic Studies", www.upwards-mars.eu) of the EU Ho…
Simulating re-impacts from craters at the deepest location of Phobos to generate its blue spectral units
Kikuchi, Hiroshi
The spatial distribution pattern of ejecta from an impact crater on the surface of a body in space holds clues to understanding the ejecta launch conditions, the crater excavation process, and the dynamical environment. In particular, focusing on re-impact sites from larger or deeper craters on the surface is important, as they tend to preserve mu…
Unveiled density wave in Saturn's rings
French, Richard G.; McGhee-French, Colleen A.; Rappaport, Nicole J. +1 more
We unveil a two-dimensional visualization of the Mimas 5:3 density wave in Saturn's rings, created directly from 31 radial optical depth profiles of the rings obtained between 2005 and 2008 from Cassini Radio Science Subsystem (RSS) occultation observations, assuming only its predicted pattern speed and taking advantage of its evident four-armed s…
Impactite dykes in impact crater central uplifts: Insights from Negril crater, Mars
Tornabene, Livio L.; Osinski, Gordon R.; Pilles, Eric A.
Negril crater is a 52 km complex crater located north of Syrtis Major, Mars. The central uplift of Negril crater is remarkably well-exposed and contains one of the best examples of dykes associated with a Martian crater. This study aims to characterize the dykes within the central uplift and determine if they are impactite dykes that formed as a p…