Enabling Capabilities A Robotic Field Geologist Access to a site mapped from orbit Long life, mobility, capability to explore a local region Remote sensing.

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Presentation transcript:

Enabling Capabilities A Robotic Field Geologist Access to a site mapped from orbit Long life, mobility, capability to explore a local region Remote sensing and contact science A Mobile Geochemical Laboratory A broad and flexible payload including analytical laboratory instruments Ability to acquire and process dozens of rock and soil samples An integrated science team and operations strategy

Previous and MSL Landing Sites

MSL Final Candidate Landing Sites Eberswalde Crater (24°S, 327°E, -1.5 km) contains a clay-bearing delta formed when an ancient river deposited sediment, possibly into a lake. Gale Crater (4.5°S, 137°E, -4.5 km) contains a 5-km sequence of layers that vary from clay-rich materials near the bottom to sulfates at higher elevation. Mawrth Vallis (24°N, 341°E, -2.2 km) exposes layers within Mars’ surface with differing mineralogy, including at least two kinds of clays. Holden Crater (26°S, 325°E, -1.9 km) has alluvial fans, flood deposits, possible lake beds, and clay- rich sediment.

Scientific Objectives for MSL Explore and quantitatively assess a local region on Mars’ surface as a potential habitat for life, past or present. A.Assess the biological potential of at least one target environment. 1.Determine the nature and inventory of organic carbon compounds. 2.Inventory the chemical building blocks of life (C, H, N, O, P, S). 3.Identify features that may represent the effects of biological processes. B.Characterize the geology and geochemistry of the landing region at all appropriate spatial scales (i.e., ranging from micrometers to meters). 1.Investigate the chemical, isotopic, and mineralogical composition of martian surface and near-surface geological materials. 2.Interpret the processes that have formed and modified rocks and regolith. C.Investigate planetary processes of relevance to past habitability, including the role of water. 1.Assess long-timescale (i.e., 4-billion-year) atmospheric evolution processes. 2.Determine present state, distribution, and cycling of water and CO 2. D.Characterize the broad spectrum of surface radiation, including galactic cosmic radiation, solar proton events, and secondary neutrons.

MSL Mission Overview SURFACE MISSION Prime mission is one Mars year Latitude-independent and long-lived power source 20-km range 85 kg of science payload Acquire and analyze samples of rock, soil, and atmosphere Large rover, high clearance; greater mobility than MPF, MER ENTRY, DESCENT, LANDING Guided entry and controlled, powered “sky crane” descent 20×25-km landing ellipse Discovery responsive for landing sites ±30º latitude, <0 km elevation ~1000-kg landed mass CRUISE/APPROACH 9-10 month cruise Spinning cruise stage Arrive N. hemisphere summer LAUNCH Nov Atlas V (541) * Artist’s Renderings * *

Mars Rover Family Portrait

Chemistry and Mineralogy (CheMin) Mineralogy of rock and soil samples Sample Analysis at Mars (SAM) Composition and isotopes of rock, soil, and air samples; organics Mast Cameras (Mastcam) Color imaging and video Medium and high resolution Chemistry and Camera (ChemCam) Chemical composition High-res imaging Mars Hand Lens Imager (MAHLI) Color microscopic imaging Alpha Particle X-Ray Spectrometer (APXS) Chemical composition Rover Environmental Monitoring Station (REMS) Meteorology and UV Radiation Assessment Detector (RAD) Natural high-energy radiation Dynamic Albedo of Neutrons (DAN) Subsurface hydrogen Mars Descent Imager (MARDI) Color high-definition descent movie Sampling System Arm, powdering drill, brush, scoop, and sieves ON THE TURRET: INSIDE THE ROVER BODY: NOT VISIBLE: Power Source Antennas Sample Inlets Spare Drill Bits

Assembled Rover