The Billion-Dollar Probes That Have Been to the End of Our Solar System

This documentary traces the evolution of deep space exploration, following the billion-dollar probes that have journeyed to the edge of our solar system and beyond. From early missions like Ranger and Mariner to Voyager, Galileo and Cassini, it highlights the engineering breakthroughs that made them possible. The film shows how each spacecraft expanded our knowledge of distant planets and the space between them. It is an inspiring account of robotic exploration at the frontier. Free to watch in HD on Dr Documentary.

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