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 regarding space exploration safety issues and procedures.
Questions regarding the design or process of design of a spacecraft.
a NASA Mars rover launched in July 2020 and landed in Jezero crater in February 2021. Use with the [mars] tag when asking about the environment it's in. Use with [ingenuity] when askin…
Questions about orbits whose position in the sky remains the same for a stationary observer on the primary body.
Questions pertaining to the launch vehicle developed by Wernher von Braun's team under Arthur Rudolph's supervision at Marshall Space Flight Center for carrying astronauts to the Moon. Saturn V (or C-…
Questions about engines used in space that accelerate ions to create thrust.
Questions about research and use of water in space environment
Questions regarding visual impressions of objects or instruments used to capture visual impressions.
Questions regarding the use of an object's gravity to change the velocity of a spaceship.
Questions regarding the amount of money required to perform or sustain space exploration.
Questions regarding effects on health by activities, prolonged stay, or exposure to environmental elements in space, celestial bodies, or space stations. Predominantly questions pertaining to health o…
Lagrangian points (also Lagrange points, L-points, or libration points) are the five positions (L1 - L5) surrounding two celestial bodies where gravitational pull of the two large mass bodies provides…
operate a mechanical or electrical device.
Questions of the science and space exploration related to Earth.
SpaceX's second version of the Dragon spacecraft, also called "Crew Dragon". It is designed to carry humans.
Questions about the exploration of the planet Jupiter.
make a controlled descent and touchdown onto another object, usually either to transfer objects, or perform scientific observations.
the effect on a spacecraft of moving through atmosphere, how its density, pressure, temperature, flow velocity, and viscosity affect a craft, and how lift and drag can be used to modify that.
Questions regarding extremes or records, such as the smallest, largest, first, last, heaviest, etc. of a thing or event.
Questions regarding living organisms, searches for life, or human life in space.
what remains of the former Soviet Union (Of which Russia was a province/state). The Russian/Soviet space program has been quite expansive and capable over many decades. Curr…
Questions regarding computer programs used in space exploration.
Questions regarding atmospheric drag which includes the resistance offerd by a moving object in fluid
Relating to treaties, laws, ownership and disputes during the exploration of space. For non-space exploration related law questions, see our sister site Law Stack Exchange.
NASA's space probe launched in early 2006 towards the dwarf planet Pluto as the first spacecraft to fly by and study this Kuiper Belt Object (KBO) and its moons, Charon, Nix, Hydra, Ke…
Questions about the procedure of using a piece of equipment to find imperfections or problems.
Questions regarding the study of life outside of Earth.
Questions regarding the Sun, or Sol in Latin, the star at the center of the solar system Earth is in.
A telescope placed in space, typically for the purpose of avoiding atmospheric distortion, background light, and attenuation of light by the atmosphere.
Force produced by pushing against a reaction mass in space à la Newton's third law: "For every action there is an equal and opposite reaction." The thrust of a rocket engine is the forward force produ…
questions about the observation of the planet Earth from space, usually for scientific, technical, or other well-defined reasons, or about the spacecraft that do this. This tag is usually used for sys…
Questions regarding the artificial creation of Earth-like conditions on another celestial body.
Questions relating to the use of technology to further space exploration.
Questions regarding fields of magnetisms and their effects on Space Exploration, such as the Earth's magnetic field.
continually locate objects, often radar.
Questions regarding the use of nuclear devices in space exploration, e.g. to power or propel spacecraft.