New upper limits on the lunar nanodust exosphere
Dr. Cesare Grava, PhD1, Timothy John Stubbs2, David A Glenar3 and Kurt D Retherford1, (1)Southwest Research Institute, San Antonio, TX, United States, (2)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (3)University of Maryland Baltimore County, CRESST, Baltimore, MD, United States