A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.
are concerning people living in space who are non-native to space.
For questions related to planets, moons, stars and other celestial objects, and their motion on the sky.
For questions relating to travel in time. Such travel often involves FTL travel; consider also using the [tag:faster-than-light] tag.
For questions dealing with events during an apocalypse scenario. Do not use for post-apocalyptic settings.
For questions about the gases which surround a planet or some other celestial body.
For questions dealing with how bodies interact with each other in space via gravitation.
For questions about groups of societies and their defining characteristics and achievements.
For questions concerning the immediate future, where technology is assumed to have advanced slightly while still recognizable to modern humans. Questions utilizing this tag should focus on a particul…
For questions about planet Earth as we know it. Changed Earths (extra moon, closer solar orbit, etc) should use the [earth-like] tag.
For questions about rocks, minerals and the physical structure and substance of the world.
For questions related to plants and vegetation in general.
For questions about the development and usage of powers and abilities beyond what is "normal" for a specific species.
For questions about the written or spoken language of a world.
For questions related to the climate, temperature and precipitation that a world might experience. Compare [climate] and [seasons].
For questions about worlds other than Earth that are significantly different. This could be a water, ice, barren or other planet. For questions about planets similar to Earth with specific differenc…
For questions regarding the impact of religion in a given scenario or the creation of a religion for use in a fictional world.
For questions relating to the exchange of ideas and information between beings.
For questions based on computers and other like devices having human-like intelligence.
For questions that have to do with chemistry, chemical reactions be they biological or artificial, or the industrial processes of chemistry.
For questions about the process of creating a new world or changing and developing an existing one, as opposed to questions about some element of the world being created or changed. NOTE that this is …
For questions about the viability of life in certain conditions. For example, it could be used in questions asking about the possibility of life on a planet or other astronomical body.
For questions about sources and types of nutrition for a living organism.
For questions regarding artificial structures that exist in space.
For questions about sources of power, generation, storage, how much is needed to perform different tasks, etc.
For questions about luminous spheres of plasma held together by their own gravity, generally comprised primarily of hydrogen and helium.
Questions about science and the perception of science in a fictional world. Use [science-based] for questions on how to explain fictional things based on real-world science. Use tags relating to speci…
For questions about the use of engineering to create structures and devices in other worlds, including whether or not a device could be made or what materials would be needed to make a device.
For questions relating to the thoughts and decision making processes of beings.
often found in the fantasy subgenre of fiction, such as elves, dwarves, etc. This can be about their physical characteristics, their societies, or something co…
For questions related to the sets of rules set in place by organizations to govern the behaviour of the people.
For questions about the standard passage of time on objects/people/civilisations etc. Also consider the [time-keeping], [spacetime-dimensions], [alternate-history], [universe], [time-travel], or [time…
For use with questions that have to do with the process of buildings structures or habitats.
For questions relating to the structure or relations regarding a fictional military or its parts.
For questions based in contemporary Earth, current technology and social norms.