^1,2M. Benna,³D. M. Hurley,¹T. J. Stubbs,¹P. R. Mahaffy,⁴R. C. Elphic
Nature Geoscience  (in Press) Link to Article [https://doi.org/10.1038/s41561-019-0345-3]
¹NASA Goddard Space Flight Center, Greenbelt, MD, USA
²CSST, University of Maryland, Baltimore County, Baltimore, MD, USA
³The Johns Hopkins University Applied Physics Laboratory, Laurel, MD, USA
⁴NASA Ames Research Center, Moffett Field, CA, USA

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