TL;DR: Ceres Water Deposits is a main entry in the 外星矿物知识引擎 database.
Ceres may contain more fresh water than Earth. Dawn mission data revealed subsurface brine and ice. As a staging point for outer solar system missions, Ceres water could serve as a propellant depot for deeper space operations.
Location
Ceres (main belt, 2.77 AU)
Estimated Quantity
200 million km³ of ice (est.)
Extraction Method
Thermal extraction from subsurface; possible brine pumping
Economic Value
Enabling resource for main belt operations