Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

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.

× 66
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…
× 66
Questions regarding equipment or other material to be transported during space exploration.
× 65
Questions about Indian Space Research Organization (ISRO), its missions, research projects, and other activities financed, organized, planned, managed, or otherwise arranged under this organization's …
× 65
Questions regarding observation of spacecraft or phenomenon in space
× 64
Capsule for cargo and manned (eventually) payloads to orbit. Built by SpaceX, launched on a Falcon 9 rocket.
× 63
Questions regarding vertical rocket launch platforms and facilities in their immediate vicinity supporting final preparations for a rocket launch.
× 62
Questions regarding transfer of data from spacecraft and probes
× 62
Questions regarding the amount of heat energy in an environment, as well as how to measure it.
× 62
the varying (increase or decrease) of apparent gravity via artificial means, particularly in space, but also on Earth.
× 61
Questions about a hypothetical transportation system between Earth and space that would not require large rockets to transport payloads.
× 61
Questions regarding space programs or services provided by private entities for the gain of money instead of governments.
× 61
Questions regarding the Global Positioning System's satellites and uses.
× 60
Questions regarding the JUNO spacecraft, a NASA mission to Jupiter.
× 60
use of space exploration or space-access technology for primarily artistic purposes
× 59
Variant of the SpaceX Falcon 9 rocket with reusable first and second stages using recovery systems demonstrated by the SpaceX Grasshopper and F9R-Dev1.
× 58
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…
× 58
Refers to questions concerning the solar system containing Earth. For other solar systems, use the 'planetary-system' tag.
× 58
Questions about the extraction of materials from other planets or asteroids.
× 57
Questions about life support systems in use on spacecraft, space stations, extraterrestrial colonies, or simulated extraterrestrial environments, about their function, design, effectiveness, historica…
× 57
Questions regarding the collision of one thing with another
× 57
continually locate objects, often radar.
× 57
The speed needed to "break free" of the gravitational attraction of a body without spending more propellant.
× 56
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…
× 55
Questions on spacecraft propulsion techniques that are either theoretical or not yet at a high technology readiness level.
× 55
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…
× 55
Questions regarding the building or style of building used to create a spacecraft.
× 55
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.
× 54
Questions regarding the computers onboard spacecraft which handle mission-critical data.
× 54
Can refer to both electrical devices and electrical power sources for said devices (batteries, generators, etc) on spacecraft or launch vehicles. Use in conjunction with a specific spacecraft or vehic…
× 54
Questions regarding exploration of the Pluto-Charon dwarf planetary system.
× 53
Questions regarding astronomical bodies orbiting stars which are of proper size to be called planets.
× 53
SpaceX's second version of the Dragon spacecraft, also called "Crew Dragon". It is designed to carry humans.
× 53
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…
× 53
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…
× 52
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…