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Global Temporal and Geographic Stability of Brines on Present-day Mars
We combine experimentally verified constraints on brine thermodynamics along with a global circulation model to develop a new extensive …
Vincent F. Chevrier
,
Edgard G. Rivera-Valentín
,
Alejandro Soto
,
Travis S. Altheide
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Project
DOI
A semiconductor-based neutron detection system for planetary exploration
We explore the use of microstructured semiconductor neutron detectors (MSNDs) to map the ratio between thermal neutrons and higher …
Alejandro Soto
,
Ryan G. Fronk
,
Kerry Neal
,
Bent Ehresmann
,
Steven L. Bellinger
,
Michael Shoffner
,
Douglas S. McGregor
Preprint
PDF
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DOI
Stratification Dynamics of Titan’s Lakes via Methane Evaporation
Saturn’s moon Titan is the only extraterrestrial body known to host stable lakes and a hydrological cycle. Titan’s lakes …
Jordan K Steckloff
,
Jason M Soderblom
,
Kendra K Farnsworth
,
Vincent F Chevrier
,
Jennifer Hanley
,
Alejandro Soto
,
Jessica J Groven
,
William M Grundy
,
Logan A Pearce
,
Stephen C Tegler
,
others
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DOI
Distribution and habitability of (meta)stable brines on present-day Mars
Special Regions on Mars are defined as environments able to host liquid water that simultaneously meets certain temperature and water …
Edgard G. Rivera-Valentı́n
,
Vincent F. Chevrier
,
Alejandro Soto
,
Germán Mart\ńez
Preprint
PDF
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Project
DOI
Air-sea interactions on Titan: Lake evaporation, atmospheric circulation, and cloud formation
Titan’s abundant lakes and seas exchange methane vapor and energy with the atmosphere via a process generally known as air-sea …
Scot C. R. Rafkin
,
Alejandro Soto
Preprint
PDF
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Project
DOI
Nitrogen Exsolution and Bubble Formation in Titan's Lakes
Titan’s surface liquids are composed primarily of methane, ethane, and dissolved atmospheric nitrogen. The nitrogen content …
Kendra K. Farnsworth
,
Vincent F. Chevrier
,
Jordan K. Steckloff
,
Dustin Laxton
,
Sandeep Singh
,
Alejandro Soto
,
Jason M. Soderblom
PDF
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DOI
Variations in Titan's dune orientations as a result of orbital forcing
Wind-blown dunes are a record of the climatic history in Titan’s equatorial region. Through modeling of the climatic conditions …
George D McDonald
,
Alexander G Hayes
,
Ryan C Ewing
,
Juan M Lora
,
Claire E Newman
,
Tetsuya Tokano
,
Antoine Lucas
,
Alejandro Soto
,
Gang Chen
Cite
DOI
Meridional Transport in the Atmospheres of Earth and Mars
As we continue to discover terrestrial exoplanets, many with orbital and planetary characteristics drastically different from anything …
Alejandro Soto
Preprint
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Project
Martian atmospheric collapse: Idealized GCM studies
Global energy balance models of the martian atmosphere predict that, for a range of total CO2 inventories, the CO2 atmosphere may …
Alejandro Soto
,
Michael Mischna
,
Tapio Schneider
,
Christopher Lee
,
Mark Richardson
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Project
DOI
On the mystery of the perennial carbon dioxide cap at the south pole of Mars
A perennial ice cap has long been observed near the south pole of Mars. The surface of this cap is predominantly composed of carbon …
Xin Guo
,
Mark Ian Richardson
,
Alejandro Soto
,
Anthony Toigo
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DOI
Global constraints on rainfall on ancient Mars: Oceans, lakes, and valley networks
Alejandro Soto
,
Mark Ian Richardson
,
Claire E. Newman
PDF
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Optical Imaging and Spectroscopy of the Galactic Supernova Remnant 3C 58 (G130.7+3.1)
We present a comprehensive imaging and spectroscopic survey of optical emission knots associated with the young Galactic supernova …
Robert Fesen
,
Gwen Rudie
,
Alan Hurford
,
Alejandro Soto
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DOI
Fourier transform infrared spectroscopy for Mars science
Presented here is a Fourier transform infrared spectrometer (FTIR) for field studies that serves as a prototype for future Mars science …
M.~S. Anderson
,
J.~M. Andringa
,
R.~W. Carlson
,
P. Conrad
,
W. Hartford
,
M. Shafer
,
Alejandro Soto
,
A.~I. Tsapin
,
J.~P. Dybwad
,
W. Wadsworth
,
K. Hand
Cite
DOI
A Low Mass Translation Mechanism for Planetary FTIR Spectrometry Using an Ultrasonic Linear Motor
One of the key components of a Fourier Transform Infrared Spectrometer (FTIR) is the linear translation stage used to vary the optical …
Matthew Heverly
,
Sean Dougherty
,
G.~C. Toon
,
Alejandro Soto
,
Jean-Francois Blavier
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