UNTIL RECENTLY MOST ICE EXPERIMENTAL TECHNIQUES ADDRESSED CERTAIN CHEMICAL PROCESSES THAT OCCUR IN ICES WHERE THE IR SPECTRA CAN CONCLUSIVELY IDENTIFY A LIMITED SET OF SPECIES IN THE SOLID PHASE AND/OR ANALYSIS OF RESIDUES CAN BE CONDUCTED. THESE EXPERIMENTS ARE NOT DIRECTLY COMPARABLE TO TECHNIQUES CURRENTLY EMPLOYED FOR THE REMOTE DETECTION OF NEW/COMPLEX/TRACE SPECIES. THROUGH THE NASA/GSFC INTERNAL AWARDS THIS TEAM DESIGNED AND BUILT AN ICE EXPERIMENT COUPLED TO A SUB-MM SPECTROMETER AT EMORY UNIVERSITY TO DIRECTLY COMPARE TRACE GAS-PHASE SPECIES THAT ARE FORMED WHEN ICES ARE EXPOSED TO THERMAL OR RADIATION PROCESSING. THE EXPERIMENTAL OBJECTIVES FOR THIS NEW SYSTEM ARE TO SIMULATE INTERSTELLAR/COMETARY/ATMOSPHERIC CHEMISTRY AND UNAMBIGUOUSLY DETECT ALL PRODUCTS IN BOTH THE SOLID AND GAS PHASE WITH PRECISE ABUNDANCES AS WELL AS DETERMINE REACTION PATHWAYS AND LIFETIMES OF NEWLY FORMED SPECIES. THIS NEW TECHNIQUE WILL BE DEMONSTRATED IN THIS SMALL EFFORT AND PROVIDE ESSENTIAL DATA NEEDED TO LEVERAGE ROSES FUNDING. THIS EXPERIMENT OFFERS THE PLANETARY SCIENCE COMMUNITY A POWERFUL NEW TOOL FOR THE STUDY OF CHEMICAL EVOLUTION MOLECULAR COMPLEXITY AND PREBIOTIC ORIGINS THROUGHOUT THE SOLAR SYSTEM AND THE UNIVERSE.
$138,041FY2020National Aeronautics and Space AdministrationNASA
Emory University, Atlanta GA