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.
Missions expected to happen over the next decade, but that have not launched yet. In particular if such is only a concept at this time.
a series of communication antennas around the world used for communication with deep space spacecraft.
Questions regarding equipment or other material to be transported during space exploration.
Relating to creating, testing, and refining technology for spacecraft.
How passage of time impacts space exploration activities.
Questions regarding the amount of heat energy in an environment, as well as how to measure it.
Questions regarding vertical rocket launch platforms and facilities in their immediate vicinity supporting final preparations for a rocket launch.
Questions regarding transfer of data from spacecraft and probes
the varying (increase or decrease) of apparent gravity via artificial means, particularly in space, but also on Earth.
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 life support systems in use on spacecraft, space stations, extraterrestrial colonies, or simulated extraterrestrial environments, about their function, design, effectiveness, historica…
Capsule for cargo and manned (eventually) payloads to orbit. Built by SpaceX, launched on a Falcon 9 rocket.
Questions regarding SpaceX's Starship, formerly the Big Falcon Rocket (BFR) upper stage or BFS
continually locate objects, often radar.
Questions about the extraction of materials from other planets or asteroids.
Refers to questions concerning the solar system containing Earth. For other solar systems, use the 'planetary-system' tag.
Questions about a hypothetical transportation system between Earth and space that would not require large rockets to transport payloads.
Questions regarding the computers onboard spacecraft which handle mission-critical data.
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…
Questions regarding the JUNO spacecraft, a NASA mission to Jupiter.
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…
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…
SpaceX's second version of the Dragon spacecraft, also called "Crew Dragon". It is designed to carry humans.
Questions regarding the collision of one thing with another
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…
Questions regarding space programs or services provided by private entities for the gain of money instead of governments.
Questions regarding the Global Positioning System's satellites and uses.
How heat affects spacecraft and space missions, or materials and methods to deal with heat.
use of space exploration or space-access technology for primarily artistic purposes
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.
Questions about imagery devices on spacecraft and probes.
The speed needed to "break free" of the gravitational attraction of a body without spending more propellant.
Questions on spacecraft propulsion techniques that are either theoretical or not yet at a high technology readiness level.
Questions regarding how astronauts live in space, including day to day activities, chores, etc.
Questions regarding the process of bringing a mission to an early stop, often due to an emergency or unforeseen circumstances.
Questions which relate to how spacecraft and rockets navigate and stay on course.