query: If spice is necessary for space travel, how did humans get to Arrakis in the first place?
positive_passages.docid: 156401
positive_passages.text: Is it ever explained how people first got to Arrakis, before they had spice?
negative_passages.docid: 29564
negative_passages.text: Trying to remember a book about a human male travelling to alien planet
negative_passages.docid: 3894
negative_passages.text: How was Zefram Cochrane going to make money off of his warp drive?
negative_passages.docid: 150192
negative_passages.text: How can I navigate on Kerbin?
negative_passages.docid: 22502
negative_passages.text: Why did the Rebels have to fly along the Death Star trench?
negative_passages.docid: 119198
negative_passages.text: Looking for title of a sci-fi story about a one-way space journey
negative_passages.docid: 104832
negative_passages.text: Is there a fast way to get to the bottom of the Death Star?
negative_passages.docid: 46777
negative_passages.text: Why did the First Order do this at the cantina?
negative_passages.docid: 147218
negative_passages.text: Human visits aliens with advanced hearing and culture with heavy emphasis on music
negative_passages.docid: 99097
negative_passages.text: Can ships be tracked and chased through hyperspace?
negative_passages.docid: 3384
negative_passages.text: How does Hyperspace traffic work in the galaxy far far away?
negative_passages.docid: 79894
negative_passages.text: How does long-distance space travel work in the MCU?
negative_passages.docid: 41221
negative_passages.text: Why aren't the humans wearing environmental suits in Star Wars spacecraft?
negative_passages.docid: 93979
negative_passages.text: Help Identifying a Sci-Fi Book: Humans transported to alien world and given tasks to escape
negative_passages.docid: 158216
negative_passages.text: Does warp drive permit safe, near- or above- lightspeed travel through atmospheres?
negative_passages.docid: 862
negative_passages.text: Book ID: Astronauts and Lab Students can create portals through space
negative_passages.docid: 81680
negative_passages.text: Story featuring smart people sent on a space mission to nowhere