The interior of asteroid Vesta has been shown not to be a protoplanet after all, meaning that new explanations for its origin are needed.

Asteroid Vesta could be a fragment of a solar system planet, but which one?

Source: space
Source Link: https://www.space.com/astronomy/asteroids/asteroid-vesta-could-be-a-fragment-of-a-solar-system-planet-but-which-one