Debra Buczkowski, Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States, Laura Fattaruso, Umass Amherst, Northampton, MA, United States, Eileen M McGowan, University of Massachusetts Amherst, Amherst, MA, United States and George E McGill

Richard E Ernst^1,2, Sara Khawja³, Claire Samson¹, Paul K Byrne⁴, Richard Ghail⁵ and Lauren MacLellan⁶, (1)Carleton University, Earth Sciences, Ottawa, ON, Canada, (2)Tomsk State University, Tomsk, Russia, (3)Carleton University, Ottawa, Canada, (4)North Carolina State University, Raleigh, NC, United States, (5)Royal Holloway University of London, Egham, United Kingdom, (6)Carleton University, Earth Sciences, Ottawa, Canada

Paul K Byrne, North Carolina State University, Raleigh, NC, United States, Richard Ghail, Royal Holloway University of London, Egham, United Kingdom, Martha S Gilmore, Wesleyan University, Middletown, CT, United States, A M Celal Sengor, Istanbul Technical University, Eurasia Institute of Earth Sciences, Istanbul, Turkey, Christian Klimczak, University of Georgia, Athens, GA, United States, David Senske, NASA Jet Propulsion Laboratory, Pasadena, CA, United States, Jennifer L Whitten, Tulane University of Louisiana, New Orleans, LA, United States, Sara Khawja, Carleton University, Ottawa, Canada, Richard E Ernst, Ernst Geosciences, Ottawa, ON, Canada; Carleton University, Earth Sciences, Ottawa, ON, Canada and Sean C Solomon, Lamont-Doherty Earth Observatory, Palisades, NY, United States

Joshua Knicely¹, Richard J Lynch², Paul A Mason², Naeem Ahmad², Larry H Matthies³, Cheryl J Gramling², Martha S Gilmore⁴ and Robert Ritchie Herrick⁵, (1)University of Alaska Fairbanks, Fairbanks, AK, United States, (2)NASA Goddard Space Flight Center, Greenbelt, United States, (3)NASA Jet Propulsion Laboratory, Pasadena, United States, (4)Wesleyan University, Middletown, CT, United States, (5)University of Alaska Fairbanks, Fairbanks, United States

Giada Nicole Arney¹, James Brian Garvin², Stephanie Getty², Natasha Johnson³, Michael Amato², David H Atkinson⁴, Sushil K Atreya⁵, William B Brinckerhoff⁶, Bruce A Campbell⁷, Valeria Cottini⁸, David Crisp⁹, Justin Filiberto¹⁰, Francois Forget¹¹, Martha S Gilmore¹², David H Grinspoon¹³, Amy Hofmann¹⁴, Noam Izenberg¹⁵, Stephen Kane¹⁶, Walter S. Kiefer¹⁷, Sebastien Lebonnois¹⁸, Ralph D Lorenz¹⁹, Paul R Mahaffy²⁰, Charles Malespin², Alexander Pavlov², Michael A Ravine²¹, Kenneth Schwer²², Michael Sekerak²², Melissa G Trainer², Christopher R Webster¹⁴ and Kevin J Zahnle²³, (1)NASA Goddard Space Flight Center, Solar System Exploration Division, Greenbelt, MD, United States, (2)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (3)Goddard Space Flight Center, Greenbelt, MD, United States, (4)Jet Propulsion Laboratory, Pasadena, CA, United States, (5)University of Michigan Ann Arbor, Ann Arbor, MI, United States, (6)NASA, Greenbelt, MD, United States, (7)Smithsonian National Air and Space Museum, Washington, DC, United States, (8)University of Maryland College Park, College Park, United States, (9)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (10)Southern Illinois University Carbondale, Carbondale, IL, United States, (11)Laboratoire de Météorologie Dynamique UPMC, Paris, France, (12)Wesleyan University, Middletown, CT, United States, (13)Planetary Science Institute Washington - PSI, Washington, DC, United States, (14)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (15)Johns Hopkins Univ, Laurel, MD, United States, (16)University of California Riverside, Department of Earth Sciences, Riverside, CA, United States, (17)Lunar and Planetary Institute, Houston, TX, United States, (18)CNRS, Paris Cedex 16, France, (19)JHU / APL, Laurel, MD, United States, (20)NASA Goddard SFC, Greenbelt, MD, United States, (21)Malin Space Science Systems, San Diego, CA, United States, (22)NASA Goddard Space Flight Center, Greenbelt, United States, (23)NASA, Moffett Field, CA, United States

Richard A A Hart^1,2, Christopher T Russell² and Tielong Zhang³, (1)University of California Los Angeles, Los Angeles, CA, United States, (2)University of California, Los Angeles, CA, United States, (3)Space Research Institute, Graz, Austria

Thomas Navarro, University of California Los Angeles, Los Angeles, CA, United States, Gabriella Gilli, Observatorio Astronomico De Lisboa, Lisbon, Portugal, Gerald Schubert, UCLA, Los Angeles, CA, United States, Sebastien Lebonnois, CNRS, Paris Cedex 16, France and Franck Lefèvre, LATMOS Laboratoire Atmosphères, Observations Spatiales, Sorbonne université, UVSQ Université Paris-Saclay, CNRS, Paris, France

Diana Gentry, NASA Ames Research Center, Biospheric Science Branch, Moffett Field, CA, United States and Robert P. Dahlgren, California State University Monterey Bay, Seaside, CA, United States