Ceres the main base and hub for future asteroid belt mining
NASA now has the Dawn spacecraft in orbit around the dwarf planet Ceres. Ceres has one-tenth of the total water in Earth’s oceans. The solar irradiance of 150 W/m2 at aphelion, one ninth that on Earth, is high enough for solar-power facilities. The total volume of water on Earth is about 1.4 billion cubic kilometers, …