Dual-Spacecraft Observation of Density Features in the Near-Terminator Martian Ionosphere: Mars Express Ionospheric Sounding and MAVEN
David DeWitt Morgan, University of Iowa, Department of Physics and Astronomy, Iowa City, IA, United States, Donald A Gurnett, University of Iowa, Physics and Astronomy, Iowa City, IA, United States, Paul R Mahaffy, NASA Goddard Space Flight Center, Greenbelt, MD, United States, Jasper S Halekas, University of Iowa, Iowa City, IA, United States, Rudy A Frahm, Southwest Research Institute, San Antonio, TX, United States and John E P Connerney, NASA Goddard Space Flight Center, Greenbelt, United States
