About the Authors

Sten F. Odenwald

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Writing – original draft, Writing – review & editing

odenwald@astronomycafe.net

Affiliations ADNET Systems Inc., Bethesda, Maryland, United States of America, NASA Space Science Education Consortium, Goddard Space Flight Center, Greenbelt, Maryland, United States of America

Competing Interests

Employment by ADNET Corporation does not alter the Author’s adherence to PLOS ONE policies on sharing data and materials.