query: Sci-fi Book About Two Planets Sharing the Same Atmosphere?
positive_passages.docid: 156747
positive_passages.text: Book series with a double planet system and poisonous bubbles that float around
negative_passages.docid: 157823
negative_passages.text: Sci-fi novel with a house used by aliens as a station when space travelling, protected by a force field
negative_passages.docid: 98030
negative_passages.text: Science Fiction novel or novels about starship that becomes a god, colonizes hostile planet
negative_passages.docid: 18199
negative_passages.text: Looking for sci-fi novel I read about humanity finding alien station on orbit of Earth
negative_passages.docid: 154388
negative_passages.text: Sci-Fi book with 4 prison planets
negative_passages.docid: 13452
negative_passages.text: Can low-gravity planets sustain a breathable atmosphere?
negative_passages.docid: 154417
negative_passages.text: help remembering book title - multiverses/bladerunner-ish future. "sphere of influence. 2150"?
negative_passages.docid: 51376
negative_passages.text: 1970s (?) sci-fi book based on Hinduism/Buddhism
negative_passages.docid: 56293
negative_passages.text: Looking for Space Exploration Book which is collection of different sub-stories
negative_passages.docid: 82943
negative_passages.text: Book where humans on another planets are cannibals
negative_passages.docid: 31439
negative_passages.text: Book series my dad told me about. It involves space travel, clones, and an indigenous people with kangaroo tails
negative_passages.docid: 25727
negative_passages.text: Short story about humans marooned on high gravity planet
negative_passages.docid: 100219
negative_passages.text: Book involving fog and primordial soup
negative_passages.docid: 98407
negative_passages.text: Looking for a (short?) story about a cryo ship looking for habitable planets
negative_passages.docid: 18973
negative_passages.text: What was that Sci-fi book mixing classic art and book excerpts to build a timeline of the universe?
negative_passages.docid: 6348
negative_passages.text: Short sci fi story where a space craft is made of various creatures from all over universe
negative_passages.docid: 17094
negative_passages.text: Identity novel, short story or book series... slower than light space battles, time dilation and boardings, several planets