The special issue is available online: https://www.sciencedirect.com/journal/advances-in-space-research/vol/63/issu...

The Guest Editors are grateful to all the authors for their valuable time and efforts, without which the publication of this issue would have been impossible, and we congratulate them for the acceptance of their manuscripts. We also thank all the referees for their hard work and invaluable advice, that profoundly improved the Issue.

Guest Editors: Manolis K.Georgoulis, Eduard P.Kontar