[SunkenCiv]

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[cripplecreek]

Scientists now see Vesta as a layered, planetary building block with an iron core – the only one known to survive the earliest days of the solar system. The asteroid's geologic complexity can be attributed to a process that separated the asteroid into a crust, mantle and iron core with a radius of approximately 68 miles (110 kilometers) about 4.56 billion years ago. The terrestrial planets and Earth's moon formed in a similar way.

NASA Dawn Mission Reveals Secrets of Large Asteroid

[TheOldLady]

It’s going to take until August before the Dawn Mission blasts away from Vesta? Are they Ceres?