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.
Questions on the subject of missions to the Lunar surface - past, present, and future
176 questions
Questions regarding the design or process of design of a spacecraft.
170 questions
Questions regarding the amount of money required to perform or sustain space exploration.
170 questions
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-…
170 questions
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…
165 questions
Questions regarding the use of an object's gravity to change the velocity of a spaceship.
163 questions
Questions regarding the Curiosity rover launched by NASA for the purpose of Mars exploration.
161 questions
Questions about engines used in space that accelerate ions to create thrust.
160 questions
Questions about orbits whose position in the sky remains the same for a stationary observer on the primary body.
158 questions
SpaceX's second version of the Dragon spacecraft, also called "Crew Dragon". It is designed to carry humans.
154 questions
Sensors, systems, strategies, algorithms and mathematics relating to BOTH determining AND controlling the attitude (3D orientation) of spacecraft.
154 questions
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…
151 questions
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…
151 questions
Should be used whenever one specific online resource or printed book/tech.report/article or other space exploration-related media is required. Care should be taken to avoid asking for broad, open-ende…
148 questions
Questions regarding extremes or records, such as the smallest, largest, first, last, heaviest, etc. of a thing or event.
147 questions
Questions regarding visual impressions of objects or instruments used to capture visual impressions.
147 questions
representation of environment or process in a more accessible form using virtual or physical imitation or analogues, often for the purpose of training or testing, includes both real-world (physical) a…
147 questions
Questions of the science and space exploration related to Earth.
147 questions
A telescope placed in space, typically for the purpose of avoiding atmospheric distortion, background light, and attenuation of light by the atmosphere.
144 questions
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.
144 questions
The study of satellite orbits and space flight dynamics.
144 questions
Questions regarding systems used to continually locate objects, often radar.
144 questions
Questions about the procedure of using a piece of equipment to find imperfections or problems.
142 questions
Questions about research and use of water in space environment
142 questions
Questions regarding energy used to operate a mechanical or electrical device.
141 questions
Questions regarding devices used to make a controlled descent and touchdown onto another object, usually either to transfer objects, or perform scientific observations.
140 questions
Questions regarding how astronauts live in space, including day to day activities, chores, etc.
140 questions
Questions regarding computer programs used in space exploration.
137 questions
Questions regarding atmospheric drag which includes the resistance offerd by a moving object in fluid
131 questions
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…
129 questions
First or earliest instances of a notable event, implementation, or technological achievement related to spaceflight. Use the record tag instead for questions of the class fastest, smallest etc. as the…
129 questions
Questions about Starlink, the satellite constellation developed by SpaceX to provide global broadband Internet
127 questions
How heat affects spacecraft and space missions, or materials and methods to deal with heat.
127 questions
The country of Russia is 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…
126 questions