P027
Resolving the Mysteries of Venus's Water, Climate, and Habitability History

Session ID#: 160935

Session Description:
Venus is often referred to as Earth’s twin because the two planets are so similar in size, mass, density, and gravity; yet despite being similar early in their planetary evolution, surface conditions on modern Venus have diverged dramatically from Earth’s. Recent new data have rekindled debates about Venus’s surface geology, water history, chemistry, and dynamics in the atmosphere, including disequilibria in sulfur cycling, unexplained UV absorption, and irregularities in aerosol composition. What will we learn in the upcoming Decade of Venus about planetary evolution and Venus-like exoplanets? Could Venus ever have been habitable? What opportunities for related science are offered by current and planned missions? We encourage submissions on modeling, laboratory experiments, ground-based investigations, in situ instrumentation, and mission concepts needed to address these persistent mysteries of Venus.
Index Terms:

5210 Planetary atmospheres, clouds, and hazes [PLANETARY SCIENCES: ASTROBIOLOGY]
5455 Origin and evolution [PLANETARY SCIENCES: SOLID SURFACE PLANETS]
6295 Venus [PLANETARY SCIENCES: SOLAR SYSTEM OBJECTS]
6297 Instruments and techniques [PLANETARY SCIENCES: SOLAR SYSTEM OBJECTS]

Primary Convener:  Diana Gentry, NASA Ames Research Center, Biospheric Science Branch, Moffett Field, CA, United States
Convener:  Christopher Carr, Georgia Institute of Technology Main Campus, Aerospace Engineering, Atlanta, GA, United States
Student/Early Career Convener:  Diana Gentry, NASA Ames Research Center, Biospheric Science Branch, Moffett Field, CA, United States
 
Modelling Oxygen Loss and 40Ar Degassing on Venus Suggests Slim Pickings for Early Habitable Scenarios Consistent with Modern Atmosphere (1114595)
Alexandra Warren and Edwin S Kite, University of Chicago, Department of the Geophysical Sciences, Chicago, United States
 
Surface-Enhanced Raman Spectroscopy (SERS) for Venus Atmospheric Characterization and Trace Organics Identification (1120650)
Kirby H. Simon1, Pablo Sobron1, Alfonso Davila2, Andrew Mattioda2, Laura T Iraci2 and Elijah Thimsen3, (1)Impossible Sensing, St. Louis, United States, (2)NASA Ames Research Center, Moffett Field, United States, (3)Washington University in St Louis, St. Louis, United States
 
Two-band simultaneous planetary lightning observation with two photometers mounted on a ground-based telescope (1141502)
Tatsuharu Ono1, Yukihiro Takahashi2, Mitsuteru Sato2, Seiko Takagi1, Shigeto Watanabe3 and Masataka Imai4, (1)Hokkaido University, Sapporo, Japan, (2)Hokkaido University, Faculty of Science, Sapporo, Japan, (3)Hokkaido Univ, Department of Cosmosciences, Sapporo, Japan, (4)Kyoto Sangyo University, Faculty of Science, Kyoto, Japan
 
The VenSpec-H instrument onboard EnVision (1157461)
Séverine Robert1, Justin Erwin1, Eddy Neefs1, Sophie Berkenbosch1, Lars Jacobs1, Roderick De Cock1, Ian Thomas1, Emmanuel Marcq2, Jörn Helbert3 and Ann Carine Vandaele1, (1)Royal Belgian Institute for Space Aeronomy, Brussels, Belgium, (2)University of Versailles Saint-Quentin en Yvelines, Versailles, France, (3)DLR, Berlin, Germany
 
Life Cycle in the Venus Clouds – Earth Analogies (1181442)
Aleksandra Stryjska, Duke University, Kunshan, Durham, NC, United States, Grzegorz Slowik, University of Zielona Gora, Institute of Materials and Biomedical Engineering, Zielona Gora, Poland and Paweł Dąbrowski, Wroclaw Medical University,, Department of Human Morphology and Embryology, Wroclaw, Poland
 
Analog Environments for Venus Aerosol Instrument and Mission Concept Testing (1189333)
Diana Gentry1, Laura T Iraci2, Alan Cassell3, Andrew L Mattioda4, Amanda S Brecht3, Kirby H. Simon5, Pablo Sobron5 and Alfonso Davila6, (1)NASA Ames Research Center, Biospheric Science Branch, Moffett Field, CA, United States, (2)NASA Ames Research Ctr, Moffett Field, CA, United States, (3)NASA Ames Research Center, Moffett Field, CA, United States, (4)NASA Ames Research Center, Laboratory Astrochemistry, Moffett Field, United States, (5)Impossible Sensing, St. Louis, United States, (6)SETI/NASA Ames, Mountain View, United States
 
Searching for Synergies between Venus and Exoplanetary Worlds (Invited) (1051221)
Michael Way, NASA Goddard Institute for Space Studies, New York, NY, United States, Colby Michael Ostberg, University of California Riverside, Earth and Planetary Sciences, Riverside, CA, United States, Bradford J Foley, Pennsylvania State University, Department of Geosciences, University Park, United States, Cedric Gillmann, Royal Observatory of Belgium, Brussels, Belgium, Dennis Höning, German Aerospace Center DLR Berlin, Berlin, Germany, Helmut Lammer, Space Research Institute, Austrian Academy of Sciences, Graz, Austria, Joseph G O'Rourke, Arizona State University, School of Earth and Space Exploration, Tempe, AZ, United States, Moa Persson, Swedish Institute of Space Physics, Kiruna, Sweden, Ana-Catalina Plesa, German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany, Arnaud Salvador, Univ. Paris Sud - Univ. Paris Saclay, CNRS, FAST, GEOPS, Orsay, France, Manuel Scherf, IWF Institute for Space Research, Graz, Austria and Matt B Weller, Rice University, Houston, TX, United States
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