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EUROPA'S SURFACE COMPOSITION AND MORPHOLOGY ­ IMPLICATIONS FOR INSITU TARGET DEFINITIONS - Poster 5 Gabriele, E. Arnold (1,2), Harald Hiesinger (1), and Roland Wagner (2)
(1) WestfДlische Wilhelms-UniversitДt MЭnster, Institut fЭr Planetologie (IfP), Germany; (2) German Aerospace Center (DLR), Berlin, Germany

Moscow, ELW Workshop, IKI, 9 ­ 13. February 2009


EUROPA'S SURFACE COMPOSITION AND MORPHOLOGY ­ IMPLICATIONS FOR INSITU TARGET DEFINITIONS
Pappalardo et al.

General goals for surface and near surface studies:
· ·
NIMS spectra of Europa (cycles)

Verification of the existence of a subsurface ocean Characterization of the ice crust, dynamics of the crust, estimation of thickness (globally and regionally), tidal forces Surface and near surface composition Habitability verification studies

· ·
H2SO4 8 H2O

Definition sources:
· Surface topography, morphology and composition (Galileo SSI, NIMS data)

H2SO4 n H2O

Carlson et al.

Moscow, ELW Workshop, IKI, 9 ­ 13. February 2009


EUROPA'S SURFACE COMPOSITION AND MORPHOLOGY ­ IMPLICATIONS FOR INSITU TARGET DEFINITIONS
Requirements and motivation:
· · Combination of global (orbital) and regional (in situ) studies Ground truth for surface composition analysis from orbit (ice, minerals, organics) and surface temperature (regionally, insitu) Nature of the non-icy material of the surface cracks and the surface ice (globally, remotely) Pristine material and recently erupted

·

·

Moscow, ELW Workshop, IKI, 9 ­ 13. February 2009


EUROPA'S SURFACE COMPOSITION AND MORPHOLOGY ­ IMPLICATIONS FOR INSITU TARGET DEFINITIONS
Actual knowledge + General goals for surface and near surface studies + Their requirements and Motivation =

landing areas

Realistic combinations of remote sensing, landing and robotic!!! strategies
Moscow, ELW Workshop, IKI, 9 ­ 13. February 2009