Solar System Early History

Origin of Volatiles in Inner Solar System

Habitable Environments

?

Kuiper Belt

Giant Planet “Feeding Zone”

Carbon

Carbon

Main BeltNo Carbon

Origin of Water in the Inner Solar System

3 AU 5-10 AU >15 AU

Ceres is at the Frontier between Inner Solar System…

Ceres

Ganymede

Triton

Titan

Europa

Enceladus

To scale…And Outer Solar System

Ceres

GanymedeTritonTitan

Europa

Enceladus

Not to scale

(Past) Ocean Worlds

Hydrothermal System Deep Material Exposure

Deep WaterGeochemical CyclesFe

O

SiMg

HEGR

Elemental

Composition

Mineralogy

Shape and

Gravity

High-

Resolution

Imaging