A space history mystery: What happened to the Viking arm used 50 years ago?

According to Ars Technica, fifty years after the Viking One lander touched down on Mars, space historians are revisiting a decades-old question: what became of the lander's robotic Sample Collection Device? The arm was a breakthrough in planetary exploration, but tracking its actual hardware across five decades has proven tricky. The mystery deepens as researchers piece together its journey.

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