What is the name of the desert planet in "Dune"?

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Frank Herbert's 1965 novel "Dune" is set on a desert planet that's both the most valuable and most miserable place in the known universe. Giant sandworms tunnel beneath endless dunes, there's zero rainfall, and you'll be dead from dehydration in a few hours if you forget your moisture-recycling bodysuit. What's the name of the desert planet in "Dune"?



