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General Q&A about worldbuilding and other speculative developments that can be extrapolated from science.

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Activity Age Score Native Lottery
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What social structure would be developed by an intelligent species with distinct functional physical differences?

3 answers  ·  last activity almost 6 years ago by ‭neph‭

biology civilization ethics
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What would be required for a completely self sufficient 1 man habitat?

1 answer  ·  last activity almost 6 years ago by ‭System‭

environment space spaceships isolation ships
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What do we get if we eat the moon?

1 answer  ·  last activity almost 6 years ago by ‭Danny Reagan‭

science-based geology
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What would be the effect of a powerful explosive going off in the core of a planet?

3 answers  ·  last activity almost 6 years ago by ‭DonyorM‭

planets science-based
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What would furniture be like in a zero-G home?

3 answers  ·  last activity almost 6 years ago by ‭congusbongus‭

space gravity zero-gravity
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What would change in a dominant/predatory animal given two heads?

2 answers  ·  last activity almost 6 years ago by ‭CodeMoose‭

biology fauna
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Varying Gravity

2 answers  ·  last activity almost 6 years ago by ‭The Glis Jackel‭

biology planets stars gravity orbital-mechanics
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Life on an Earth-like planet with solid core?

2 answers  ·  last activity almost 6 years ago by ‭Florian Hollandt‭

biology planets science-based
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What would have to happen in order to force us to live in the ocean?

3 answers  ·  last activity almost 6 years ago by ‭Clean Ogre‭

environment underwater apocalypse isolation earth
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How would a completely urbanized city-planet support its population?

5 answers  ·  last activity almost 6 years ago by ‭neph‭

science-based urban logistics
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How realistic are four legged aquatic animals?

4 answers  ·  last activity almost 6 years ago by ‭Liath‭

evolution water creature-design underwater
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Is it possible to terraform a hot planet?

1 answer  ·  last activity almost 6 years ago by ‭Vincent‭

climate planets terraforming
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What is the maximum size of a flying creature?

3 answers  ·  last activity almost 6 years ago by ‭neph‭

biology science-based mythical-creatures
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What factors go into whether a moon or planet is tidally locked?

3 answers  ·  last activity almost 6 years ago by ‭bowlturner‭

science-based physics
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Would gravity be constant inside a Bernal sphere?

3 answers  ·  last activity almost 6 years ago by ‭Village‭

space science-based spaceships gravity space-constructs ships
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Social implications of intelligent species that practices external fertilization

4 answers  ·  last activity almost 6 years ago by ‭overactor‭

society psychology reproduction
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Maximum Earth population by wiping out biological life

2 answers  ·  last activity almost 6 years ago by ‭trichoplax‭

science-based physics population
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What would be the effect on life/civilisations if the length of a year was longer or shorter?

3 answers  ·  last activity almost 6 years ago by ‭Vincent‭

environment climate biology
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What are the factors influencing the temperature of my world?

1 answer  ·  last activity almost 6 years ago by ‭Vincent‭

climate planets science-based
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What light gas can I have in the upper atmosphere?

3 answers  ·  last activity almost 6 years ago by ‭Liath‭

atmosphere reality-check science-based
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What efficiencies make a realistic food chain?

3 answers  ·  last activity almost 6 years ago by ‭Liath‭

science-based food
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How does the age of a planet impact terrain?

3 answers  ·  last activity almost 6 years ago by ‭James‭

earth-like geography earth
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Why would a complete urbanized city-planet exist?

5 answers  ·  last activity almost 6 years ago by ‭neph‭

reality-check science-based cities urban
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How realistic is it that cultures on different planets influenced each other?

4 answers  ·  last activity almost 6 years ago by ‭Libellendrache‭

planets culture
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Primary environmental concerns of a new coastal settlement

2 answers  ·  last activity about 6 years ago by ‭Maximillian‭

environment weather colonies
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