NASA science Live: Psyche's journey to a Metal World (official NASA Boradcast)

How did rocky planets form? We're launching a mission to find out.
NASA psyche space craft is preparing to lift off on oct. 5 to embark on a 2.2- billion- mile journey to a unique metal- rich asteriod named psyche. The mission could help us understand the early formation of rocky planets in our solar system, like earth