Vesta is a Baby Planet, Not an Asteroid; it turns out to be an ancient protoplanet that never made it; it has an iron core, a varied surface, layers of rock and possibly a magnetic field User worldnewsbot, in the News From Around The World subreddit, 13 May 2012
Vesta is a Baby Planet, Not an Asteroid; it turns out to be an ancient protoplanet that never made it; it has an iron core, a varied surface, layers of rock and possibly a magnetic field User mepper, in the Reddit Science subreddit, 12 May 2012