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.
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…
How heat affects spacecraft and space missions, or materials and methods to deal with heat.
a European Space Agency (ESA) built and launched, semi-autonomous robotic spacecraft on its mission to study the environment, physical properties and dynamics of the comet 67P/Churyumov–Ger…
Questions regarding the computers onboard spacecraft which handle mission-critical data.
Questions relating to the JPL Horizons solar system data and ephemeris computation service
Questions regarding how astronauts live in space, including day to day activities, chores, etc.
the 6th planet of our solar system. It is a gas giant with an impressive ring system and lots of small and large moons.
Space Launch System, the putative replacement for the Space Shuttle for future large missions.
Questions about the stage(s) of a rocket after the first, used to establish an orbit, or a trajectory beyond Earth orbit.
devices that collect data (usually electromagnetic spectrum, visible or otherwise) to better resolve distant objects.
Questions related to protecting craft from their environment. Should be focused on the protection aspect and not the managing the effects of said environment.
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…
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.
Questions about solid fuels. The rockets that use them, the fuels that are burned, and the vendors that make them.
Questions about the SpaceX produced Merlin-1D engine, used by the Falcon rocket.
Questions relating to human physiology, as it affects capabilities in space.
Questions regarding the effects and conditions in a 'partial vacuum' or space with a gaseous pressure significantly smaller than atmospheric pressure.
Questions related to structure, operations, missions, and facilities of the European Space Agency, an intergovernmental organization of 20 European states and Canada.
Questions regarding the application of chemistry in space exploration, for example the composition of rocket propellants.
Questions regarding the steps and procedures taken prior and during the launch of a space vehicle.
Questions which relate to how spacecraft and rockets navigate and stay on course.
Questions on a place or enclosure in which humans and/or other lifeforms live.
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…
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.
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
Attitude Determination & Control Systems measure the attitude of a spacecraft and often execute measures to adjust the attitude with respect to the celestial sphere, reference bodies, or other spacecr…
Questions regarding an object or spacecraft rotating around an axis.