Analyse @OSIRISREx's tweets
@OSIRISREx
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3D-printed versions of the old and new shape models for #asteroid Bennu show how accurate the early, ground-based model actually was. Bennu’s size, shape, spin rate and orientation are all very close to what the team predicted. #WelcomeToBennu #AGU18 https://t.co/qN2jsRI5nM