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Tags

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.

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Questions regarding the rocket engine nozzles, semi-open compartments of various shapes and sizes into which propellant components are injected by their own pressure or with a help of a turbine, often…
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Questions to do with celestial comets.
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How heat affects spacecraft and space missions, or materials and methods to deal with heat.
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Questions regarding the computers onboard spacecraft which handle mission-critical data.
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devices that collect data (usually electromagnetic spectrum, visible or otherwise) to better resolve distant objects.
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Questions about the stage(s) of a rocket after the first, used to establish an orbit, or a trajectory beyond Earth orbit.
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Questions about devices which collect and couple electromagnetic signals (communications, radar or other electromagnetic measurements) directly between free space, and conductors (e.g. waveguides or o…
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Space Launch System, the putative replacement for the Space Shuttle for future large missions.
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Questions about solid fuels. The rockets that use them, the fuels that are burned, and the vendors that make them.
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Questions related to protecting craft from their environment. Should be focused on the protection aspect and not the managing the effects of said environment.
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Questions regarding consumption and production of oxygen
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Questions regarding scientific research, by means of the scientific method, into topics discussed. Investigative work based on empirical and measurable evidence that can be repeated, tried, and tested…
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Questions regarding the mass of spacecraft or other objects
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Questions relating to the JPL Horizons solar system data and ephemeris computation service
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Set of values carefully prepared to be used together with a simplified perturbations model (most often SGP4) to predict satellite positions with a moderate level of accuracy for times near the epoch c…
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Rather than carry empty weight all the way to orbit, rockets usually use a stage system. Stages can take many forms and have over the years.
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Questions relating to the exploration of Titan, a moon of Saturn.
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Questions regarding how astronauts live in space, including day to day activities, chores, etc.
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Questions relating to human physiology, as it affects capabilities in space.
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Questions regarding NASA latest manned spacecraft program currently under development. Orion spacecraft will be used for missions beyond Earth orbit. For questions related to the Project Orion (propul…
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Questions about the SpaceX produced Merlin-1D engine, used by the Falcon rocket.
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Questions regarding the effects and conditions in a 'partial vacuum' or space with a gaseous pressure significantly smaller than atmospheric pressure.
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Questions on a place or enclosure in which humans and/or other lifeforms live.
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Questions related to structure, operations, missions, and facilities of the European Space Agency, an intergovernmental organization of 20 European states and Canada.
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Questions related to the Cassini–Huygens spacecraft sent to Saturn.
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Questions regarding the steps and procedures taken prior and during the launch of a space vehicle.
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Orbital maneuver during which two spacecraft arrive at the same orbit and approach to a very close distance. Rendezvous may or may not be followed by docking or berthing.
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Questions regarding the application of chemistry in space exploration, for example the composition of rocket propellants.
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Questions about cosmic rays and cosmic background radiation.
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Questions regarding use, design, storage, consumption, or other considerations of materials, propellants, systems, or biological samples stored and/or used under very low temperatures, often under lar…
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Questions regarding the type of orbit in which the orbiting object stays in roughly the same location over Earth's surface.
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Questions related to the growth or use of food on spacecraft or colonies. Also, any questions related to drinkable liquids either made or consumed in space.
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Questions regarding planets outside of Earth's solar system.
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the practicality of a proposed task
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Questions regarding SpaceX's Big Falcon Rocket (BFR)
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a type of rocket used to assist in putting larger payloads into orbit. Use with the [rocket] tag any any other relevant launch vehicle tags