P074
The Uranus and Neptune Systems and Their Relation to Other Planets I

Tuesday, 15 December 2020: 19:00-20:00
Virtual
Primary Convener:  Xin Cao, University of Iowa, Department of Physics and Astronomy, Iowa City, IA, United States
Conveners:  Kunio M Sayanagi, Hampton University, Hampton, VA, United States, Elizabeth P Turtle, JHU Applied Physics Lab., Laurel, MD, United States and Mandy Bethkenhagen, École Normale Supérieure de Lyon, Lyon, France
Primary Liaison:  Xin Cao, University of Iowa, Department of Physics and Astronomy, Iowa City, IA, United States
Chairs:  Xin Cao, University of Iowa, Iowa City, IA, United States and Kunio M Sayanagi, Hampton University, Hampton, VA, United States
OSPA Liaison:  Kunio M Sayanagi, Hampton University, Hampton, VA, United States
19:00
Welcoming Remarks
19:04
P074-01
Explaining the Low Luminosity of Uranus: A Self-Consistent Thermal and Structural Evolution Model (Invited) (689696)
Allona Vazan, Hebrew University of Jerusalem, Jerusalem, Israel and Ravit Helled, University of Zurich, Center for Theoretical Astrophysics and Cosmology, Zurich, Switzerland
19:08
P074-02
Bifurcation in the history of Uranus and Neptune: the role of giant impacts (732453)
Christian Reinhardt, Alice Chau, Joachim Stadel and Ravit Helled, University of Zurich, Center for Theoretical Astrophysics and Cosmology, Zurich, Switzerland
19:12
P074-03
Chemistry and structural properties of C-H-O mixtures at conditions comparable to the interiors of ice giants (674175)
Dominik Kraus1, Nicholas Hartley2, Jan Vorberger1, Julian Lütgert1, Melanie Rödel1, Deniza Chekrygina1, Anja Schuster1, Katja Voigt1, Alessandra Ravasio, Toshinori Yabuuchi4, Min Zhang1 and Norimasa Ozaki5, (1)Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany, (2)SLAC, Menlo Park, CA, United States, (3)RIKEN SPring-8 Center, Hyogo, Japan, (4)Osaka University, Faculty of Engineering, Osaka, Japan
19:16
P074-04
Evidence for ammonia-bearing species on the Uranian satellite Ariel supports recent geologic activity (676036)
Richard J. Cartwright1, Chloe B. Beddingfield1,2, Tom Nordheim3, Joseph Roser1,2, William M Grundy4,5, Kevin P Hand3, Joshua P Emery5, Dale P Cruikshank2 and Francesca Scipioni1, (1)SETI Institute, Mountain View, CA, United States, (2)NASA Ames Research Center, Mountain View, CA, United States, (3)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (4)Lowell Observatory, Flagstaff, AZ, United States, (5)Northern Arizona University, Flagstaff, AZ, United States
19:20
P074-06
Measuring the Stratospheric Temperature of Uranus Using Archival Stellar Occultations (680601)
William R. Saunders1, Michael J Person2, Paul Withers1 and Richard G French3, (1)Boston University, Boston, MA, United States, (2)Massachusetts Institute of Technology, Earth, Atmospheric, and Planetary Sciences, Cambridge, MA, United States, (3)Wellesley College, Department of Astronomy, Wellesley, MA, United States
19:24
P074-07
Searching for subsurface oceans on the moons of Uranus using magnetic induction (672403)
Benjamin P Weiss, Massachusetts Institute of Technology, Department of Earth, Atmospheric and Planetary Sciences, Cambridge, MA, United States, Vittorio Colicci, Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, Cambridge, MA, United States and John Brooks Biersteker, Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences, Cambridge, MA, United States
19:28
P074-08
The solar cycle dependence of the solar wind interaction with the Ice Giants (682653)
Daniel J Gershman and Gina A DiBraccio, NASA Goddard Space Flight Center, Greenbelt, MD, United States
19:32
Discussion
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