Observations of Lunar Exospheric Helium with the UV spectrograph LAMP onboard the Lunar Reconnaissance Orbiter

Cesare Grava1, Dana Hurley2, Paul D Feldman3, Kurt D Retherford4, Wayne Robert Pryor5, Thomas K Greathouse1 and Randy Gladstone1, (1)Southwest Research Institute, San Antonio, TX, United States, (2)Applied Physics Laboratory Johns Hopkins, Laurel, MD, United States, (3)Johns Hopkins Univ, Baltimore, MD, United States, (4)Southwest Research Inst, San Antonio, TX, United States, (5)Central Arizona College, Coolidge, AZ, United States