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.
For questions related to Elon Musk's Midnight Cherry Tesla Roadster (and its "pilot", an empty SpaceX suit named Starman), launched as the payload on the inaugural Falcon Heavy flight on February 6, 2…
Questions regarding a 'sail' that can be attached to spacecraft to harness the sun's radiation to propel a ship in one direction or another.
Relating to creating, testing, and refining technology for spacecraft.
How to calculate things directly related to Space Exploration as defined in the help center, or how the calculations have been done in the past or will be done in the future.
Questions about technologies used to protect reentering space craft from the heat of friction from the atmosphere. May also refer to technologies used to block heat from solar radiation while in the v…
Questions concerning the use, design, and operation of electrically powered thrusters, such as ion, Hall Effect, magnetoplasmadynamic, and VASIMR thrusters, which use electrical power and electric or …
Questions about solid fuels. The rockets that use them, the fuels that are burned, and the vendors that make them.
Questions related to structure, operations, missions, and facilities of the European Space Agency, an intergovernmental organization of 20 European states and Canada.
Questions regarding space activities or services performed by private entities for commercial interests/the gain of money.
Artificial gravity is the varying (increase or decrease) of apparent gravity via artificial means, particularly in space, but also on Earth.
An orbital maneuver to transfer between two circular orbits consisting of one burn to enter the transfer orbit and one to circularize in the final orbit.
Questions about the use of the Python programming language for projects directly related to Space Exploration as defined in the help center.
Equation stating that the change in velocity (delta-v) of a single stage rocket is equal to the exhaust velocity times the natural log of the ratio of final to initial mass, named after Russian scient…
Refers to questions concerning the solar system containing Earth. For other solar systems, use the 'planetary-system' tag.
Questions on spacecraft propulsion techniques that are either theoretical or not yet at a high technology readiness level.
Questions about heat management in spacecraft
Questions regarding consumption and production of oxygen
Questions relating to the exploration of Titan, a moon of Saturn.
Questions regarding systems of or relating to armed forces.
The speed needed to "break free" of the gravitational attraction of a body without spending more propellant.
use of space exploration or space-access technology for primarily artistic purposes
Questions regarding flyby in which the spacecraft flies near celestial object in a hyperbolic path for scientific explorations. Such flybies may also be made to increase velocity or reduce the velocit…
Questions regarding the process of bringing a mission to an early stop, often due to an emergency or unforeseen circumstances.
Questions regarding astronomical bodies orbiting stars which are of proper size to be called planets.
Questions regarding the mass of spacecraft or other objects
Questions regarding surface features of celestial bodies.
Questions regarding the steps and procedures taken prior and during the launch of a space vehicle.
A booster is 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
Questions regarding the hardware, development, use and cost of rocket fairings and protective shells.
Questions relating to the JPL Horizons solar system data and ephemeris computation service
Questions about sets of data used to determine a unique point in a given space, e.g. (degrees North, degrees East) for geographic coordinates
Questions about the end-to-end process of landing a spacecraft on a target
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…
Questions which relate to how spacecraft and rockets navigate and stay on course.
Questions regarding medical aspects of space exploration, like effects of missions on human body during launch, flight and reentry.
Questions regarding Chinese politics, people, and space programs and their relation to space exploration.