Uncovering the hidden history of a giant asteroid

A massive 'hit-and-run' collision profoundly impacted the evolutionary history of Vesta, the brightest asteroid visible from Earth. The finding deepens our understanding of protoplanet formation more than 4.5 billion years ago, in the early infancy of the Solar System.

from Top Technology News -- ScienceDaily http://bit.ly/2WBdELk