Examines the evolution of these far-traveling spacecraft - from the relatively unsophisticated planetary probes flown at the dawn of the Space Age to the powerful exploring machines that allow scientists to conduct investigations of alien worlds within this solar system.
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Examines the evolution of these far-traveling spacecraft - from the relatively unsophisticated planetary probes flown at the dawn of the Space Age to the powerful exploring machines that allow scientists to conduct investigations of alien worlds within this solar system.
Read Less