S. Smrekar

Publications421
h-index42
Citations5,731
Highly Influential Citations264
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Mars high resolution gravity fields from MRO, Mars seasonal gravity, and other dynamical parameters
Abstract With 2 years of tracking data collection from the MRO spacecraft, there is noticeable improvement in the high frequency portion of the spherical harmonic Mars gravity field. The new JPL Mars… Expand
SHARAD sounding radar on the Mars Reconnaissance Orbiter
[1] SHARAD (SHAllow RADar) is a sounding radar provided by Agenzia Spaziale Italiana (ASI) as a Facility Instrument on the Mars Reconnaissance Orbiter mission. Its 20-MHz center frequency and 10-MHz… Expand
Venus tectonics: An overview of Magellan observations
Magellan observations of the tectonic characteristics of highland regions on Venus are discussed with reference to competing theories for highland formation and evolution. Complex rigid terrain, or… Expand
Recent Hotspot Volcanism on Venus from VIRTIS Emissivity Data
TLDR
Variations in the thermal emissivity of the surface observed by the Visible and Infrared Thermal Imaging Spectrometer on the European Space Agency’s Venus Express spacecraft are used to identify compositional differences in lava flows at three hotspots, indicating that Venus is actively resurfacing. Expand
An overview of the Mars Reconnaissance Orbiter (MRO) science mission
[1] The Mars Reconnaissance Orbiter (MRO) is the latest addition to the suite of missions on or orbiting Mars as part of the NASA Mars Exploration Program. Launched on 12 August 2005, the orbiter… Expand
Mars North Polar Deposits: Stratigraphy, Age, and Geodynamical Response
TLDR
The Shallow Radar (SHARAD) on the Mars Reconnaissance Orbiter has imaged the internal stratigraphy of the north polar layered deposits of Mars, revealing a laterally continuous deposition of layers which typically consist of four packets of finely spaced reflectors separated by homogeneous interpacket regions of nearly pure ice. Expand
Corona Formation and Heat Loss on Venus by Coupled Upwelling and Delamination
Coronae are volcanotectonic features that are unique to Venus and are interpreted to be small-scale upwellings. A model in which upwelling causes delamination at the edge of the plume head, along… Expand
Global mapping of crustal and lithospheric thickness on Venus
[1] We have produced a high-resolution global admittance map of Venus using a spatiospectral localization technique, calculating 64,800 admittance spectra evenly spaced in latitude and longitude. We… Expand
Deep space 2: The Mars Microprobe Mission
The Mars Microprobe Mission will be the second of the New Millennium Program's technology development missions to planetary bodies. The mission consists of two penetrators that weigh 2.4 kg each and… Expand
Large Volcanic Rises on Venus
Large volcanic rises on Venus have been interpreted as hotspots, or the surface manifestation of mantle upwelling, on the basis of their broad topographic rises, abundant volcanism, and large… Expand
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