Whitepaper #280 submitted to the Planetary Science and Astrobiology Decadal Survey 2023-2032. Topics: other: Missions; primitive bodies; solar system formation, dynamics processes, and chronology
No one knows how water arrived at our planet. The answer is contained in volatiles unaltered since giant plant formation. MBCs are part of a population of icy asteroids residing in the outer asteroid belt that are significant reservoirs of primordial water and potentially other volatiles and are the ideal targets to address this science.