Mercury’s extended sodium exosphere: pickup ion observations in the solar wind by MESSENGER
Jamie Matthew Jasinski, NASA Jet Propulsion Laboratory, Pasadena, CA, United States, Jim M Raines, University of Michigan, Ann Arbor, United States, James A Slavin, University of Michigan Ann Arbor, Department of Climate and Space Sciences and Engineering, Ann Arbor, United States, Neil Murphy, JPL, Pasadena, United States, Leonardo Regoli, JHU Applied Physics Lab, Laurel, United States, Tim Cassidy, Laboratory for Atmospheric and Space Physics, Boulder, CO, United States and Daniel J Gershman, NASA Goddard Space Flight Center, Greenbelt, United States