R. A. Tucker

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About

R. A. Tucker is a planetary scientist specializing in the study of tenuous exospheres and lunar surface interactions, with a particular focus on sodium emissions from the Moon. Their most significant contribution to date is the design, construction, and remote operation of a small robotically controlled coronagraph at Winer Observatory in Sonoita, Arizona, which enables systematic observations of the lunar sodium exosphere out to half a degree around the Moon. This innovative instrument, operated from Goddard, allows for nightly remote monitoring of the exosphere's variability. Tucker's seminal work, "Coronagraphic observations of the lunar sodium exosphere January–June, 2017" (2019), has garnered 17 citations, establishing a foundation for long-term studies of lunar volatile transport. By providing a unique observational window into the Moon's tenuous atmosphere, Tucker's research bridges ground-based astronomy and planetary science, offering critical insights into surface-exosphere interactions that inform future exploration missions.