Definition: Ravison is a fictional character from the science fiction novel "The Hitchhiker's Guide to the Galaxy" by Douglas Adams. The character was introduced in the first book of the series, "The Long War," and has since become an iconic figure in the universe. Ravison is a space explorer who travels across the galaxy in search of new worlds and discoveries. He is known for his adventurous spirit and willingness to take risks, which often lead him into dangerous situations. Throughout the series
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