Program with Links to Abstracts

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Special Session: Icy Moon Science

Monday, March 11, 2024, 2:15 PM
Waterway Ballroom 5

Erin Leonard
John Biersteker
Stephanie Menten
2:15 PM
Session Introduction
2:20 PM
Scully J. E. C.* Malaska M. J. Leonard E. J. Cameron M. E. Lethcoe H. A. Phillips C. B. et al.
Impact Craters as Windows into the Subsurfaces of Icy Moons: A Study of Europan Craters Pwyll and Manannán [#1684]
Darkness from below / Very evolved brine, and past / Impact in liquid?
2:30 PM
Dawson H. G.* Byrne P. K. Regensburger P. V. Vance S. D. Melwani Daswani M. Hemingway D. J.
Tidal Stresses Insufficient to Drive Seafloor Faulting in Numerous Icy Moons [#2446]
Beneath icy depths / Lies stone unbreaking and strong / Resisting the tides.
2:40 PM
Schenk P.* Ermakov A.
Geology and Interiors of Mid-Sized Icy Bodies from New/Improved Global High-Resolution Shape Models [#2683]
Mid-sized icy moons lurk in the dark, smaller size does not disappoint, rich variety in global shapes and interiors.
2:50 PM
Shadab M. A.* Vance S. D. Styczinski M. J. Silber E. A. Crósta A. P. Carnahan E. et al.
Evolution of Impact Generated Melt at Selk Crater: Effect of Phase Change, Percolation, and Viscous Foundering [#1317]
Impact-generated melt at Titan’s Selk Crater has implications for astrobiological research. Our new model considers compaction-induced percolation and reveals faster melt migration in Titan’s ice shell, impacting habitability and organics transfer.
3:00 PM
Panel Q&A
3:20 PM
Blanco-Rojas M.* Sori M. M. Pamerleau I. F.
Oberon as an Ocean World? Insights from the Topography of One of the Tallest Peaks in the Solar System [#1468]
We test if a mountain on Uranus’ moon Oberon could be the central peak of a relaxed crater. We find that high heat flows that imply an ancient ocean or convecting ice shell would be needed if this hypothesis is correct.
3:30 PM
Rhoden A. R.* Walker M. E. Rudolph M. L. Bland M. T. Manga M.
The Evolution of a Young Ocean Within Mimas [#1628]
Although Saturn’s small moon, Mimas, bears more resemblance to the Death Star than to confirmed ocean worlds like Europa and Enceladus, we find that a young ocean can reproduce Mimas’ orbital eccentricity, inferred interior structure, and geology.
3:40 PM
Economon S. E.* Sverjensky D. A. Daniel I.
Linking Geochemical Models of Fluid-Rock Interactions and Biomolecules in the Interior of the Icy World Europa [#2764]
We have demonstrated that amide bonds, a prerequisite for life, can show up in conditions pertaining to planetary interiors. We now tie this work to icy worlds such as Europa.
3:50 PM
Tomlinson T. C.* Buffo J. J. Murdza A. O. Meyer C. R.
Effects of Brine Concentration on Planetary Ice Shell Porosity and Flexural Strength [#2405]
This study uses lab-grown ices from representative Earth, Europa, and Enceladus oceans to study the effects of salt composition and concentration on porosity and flexural strength of ice.
4:00 PM
Panel Q&A
4:20 PM
Hammond N. P.* Collins G. C.
Triton's Youthful Surface and Its Origin as a Captured Satellite [#1619]
Triton’s surface is shiny and new / With no heat source how can this be true? / Captured quite long ago / But its orbit changed slow / So tidal heating kept chugging (choo choo)!
4:30 PM
Leonard E. J.* Beddingfield C. B. Elder C. M. Nordheim T. A.
Miranda's Inverness Corona: Geologic History and Implications for a Future Flagship [#2251]
Complex Corona / Window to an active past / Key in the future?
4:40 PM
Menten S. M.* Sori M. M. Bierson C. J.
Could Convection Contribute to Large Scale Surface Topography on Charon? [#2076]
Charon shows evidence of hemispheric differences in elevation. We hypothesize this hemispheric dichotomy results from large scale internal convection. We find that large scale convection is possible using reasonable past heat fluxes for Charon.
4:50 PM
Schriver D.* Jia X. Domingue D. Schenk P.
Mapping Charged Particle Precipitation Onto the Surface of the Saturnian Pacman Moons Tethys and Dione [#2734]
In this study the precipitation of magnetospheric charged particles onto the surface of the saturnian moons Tethys and Dione is examined to determine the correlation between surface radiation and color/spectral properties of the moons.
5:00 PM
Panel Q&A
5:20 PM
Session Closure