This is the NASA Dawn Mission video. The Dawn mission launches June 30th. Leonard Nimoy narrates while mission scientists and engineers explain the science and technological challenges of visiting the Asteroid Belt.This is the NASA Dawn Mission video. The Dawn mission launches June 30th. Leonard Nimoy narrates while mission scientists and engineers ex...all »This is the NASA Dawn Mission video. The Dawn mission launches June 30th. Leonard Nimoy narrates while mission scientists and engineers explain the science and technological challenges of visiting the Asteroid Belt.«
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