Main Belt asteroid Psyche might be the remnant of a planet that never fully formed

New 2-D and 3-D computer modeling of impacts on the asteroid Psyche, the largest Main Belt asteroid, indicate it is probably metallic and porous in composition, something like a flying cosmic rubble pile. Knowing this will be critical to NASA’s forthcoming asteroid mission, Psyche: Journey to a Metal World, that launches in 2022.

Source:
https://phys.org/news/2020-08-main-belt-asteroid-psyche-remnant.html