ANALYZING MATERIALS SOURCED FROM EUROPA S OCEAN FOR BIOSIGNATURES AND ASSESSING EUROPA S HABITABILITY OVERALL ARE AMONG THE GOALS OF THE UPCOMING EUROPA LANDER MISSION. SIMILARLY SUPPORTING FUTURE LANDED ACTIVITIES BY CHARACTERIZING SURFACE PROPERTIES IS A GOAL FOR ANY INITIAL LANDING ON A SOLAR SYSTEM BODY. IMAGING IS ESSENTIAL IN A MISSION SUCH AS THIS BOTH FOR SCIENCE AND TO SUPPORT ENGINEERING ACTIVITIES AND SAMPLE ACQUISITION. SMALL CAMERAS ON LANDED MISSIONS ARE A MATURE TECHNOLOGY AT MARS BUT NOT IN THE THERMAL AND RADIATION ENVIRONMENTS OF EUROPA ESPECIALLY GIVEN SEVERE MASS AND POWER LIMITATIONS. CAMERA COMPONENTS REQUIRE DEVELOPMENT TO MEET THESE CHALLENGING REQUIREMENTS. COLD-LIGHTWEIGHT IMAGERS FOR EUROPA (C-LIFE) IS AN INSTRUMENT SUITE CONTAINING A COLOR CONTEXT RECONNAISSANCE STEREOSCOPIC IMAGER (CRSI) AND A UNIOCULAR COLOR MICROSCOPIC IMAGER (MI) RESPONSIVE TO THE REQUIREMENTS OF THE EUROPA LANDER SDT. COLOR FILTERS ON THE CRSI INCLUDE THOSE OF THE EUROPA IMAGING SYSTEM (EIS) ON EUROPA CLIPPER. AN LED FLASHLIGHT PERMITS OPERATION OF THE CRSI AT NIGHT AND CAN ILLUMINATE SHADOWS WHERE BIOSIGNATURES MAY BE PREFERENTIALLY PRESERVED. LEDS AND FILTERS PERMIT A FLUORESCENCE INVESTIGATION TO IDENTIFY BIOGENIC MOLECULES BOTH ON EUROPA AND TERRESTRIAL CONTAMINATION ON THE SPACECRAFT. WE LEVERAGE PARALLEL DEVELOPMENT WORK ON THERMALLY QUALIFYING DETECTORS FOR C-LIFE (SUPPORTED BY COLDTECH) AND DEVELOPING OUR LANDER DESCENT CAMERA CONCEPT DIEHARD (SUPPORTED BY JPL). C-LIFE FULFILLS SDT REQUIREMENTS; YET RISKS REMAIN BEFORE TRL 6 CAN BE CLAIMED. IN THIS PROPOSAL WE IDENTIFY THE HIGHEST RISKS AND DESCRIBE DESIGN STUDIES THAT QUANTIFY AND REDUCE THEM. DESIGN OPTIMIZATION IN YEAR 1 WILL MAXIMIZE SCIENCE CAPABILITIES WHILE DEFINING THE RESOURCES TO INFORM THE ACCOMMODATION STUDY AT THE SPACECRAFT LEVEL. THESE STUDIES RESULT IN A TEST PLAN DURING YEAR 2 THAT REDUCES RISK ON IDENTIFIED COMPONENTS WHICH DESIGN CHOICES ALONE CANNOT RESOLVE. THEREFORE THE GOALS FOR C-LIFE UNDER THIS CONTRACT INCLUDE: 1. MATURE OUR ELECTRONICS DESIGN TO ACCOMMODATE THE AUTOMATION IMAGE PROCESSING AND COMPRESSION NEEDS OF THE RESCOPED MISSION WITH PARTNERS AT SPACE DYNAMICS LAB (SDL). 2. UNDERTAKE RADIATION MODELING WITH PARTNERS AT BALL AEROSPACE TECHNOLOGIES CORPORATION (BATC) TO REFINE OUR DESIGN AND IDENTIFY LOCATIONS WHERE SPOT SHIELDING IS REQUIRED. 3. RADIATION AND THERMAL TESTS OF KEY COMPONENTS IN THE RELEVANT ENVIRONMENT AS REQUIRED. 4. DESIGN TO PLANETARY-PROTECTION REQUIREMENTS ENSURING ALL COMPONENTS WILL SURVIVE DHMR. WE LEVERAGE OUR EXTENSIVE INSTRUMENT EXPERIENCE [PHOENIX SSI AND RAC CASSINI-HUYGENS DISR MARS PATHFINDER IMP OSIRIS-REX OCAMS] AND FACILITIES AT THE LUNAR AND PLANETARY LABORATORY (LPL) SRI SDL AND BATC TO ACCOMPLISH THESE TASKS. THE UNIVERSITY OF ARIZONA (UA) IS COMMITTED TO THE SUCCESS OF C-LIFE WITH A FINANCIAL CONTRIBUTION OF $209 955. THE C-LIFE MI IS NOT MATURED UNDER ICEE-2. THE CRSI MATURATION WE PROPOSE PRODUCES A VIABLE MI CONCEPTUAL DESIGN AT NO EXTRA COST. DURING ICEE-2 WE WILL DISCUSS CONTEXT MICROSCOPY WITH VAULT-INSTRUMENT TEAMS SINCE IT IS VALUABLE TO SAMPLE-ANALYSIS ENABLING US TO CONTRIBUTE THE MI TO A VAULT INSTRUMENT PROPOSAL.
$1,981,791FY2020National Aeronautics and Space AdministrationNASA
University Of Arizona, Tucson AZ