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.
A tumbling micro-asteroid classified as a bright near-Earth object of the Apollo group, approximately 10 meters (30 feet) in diameter. (from Wikipedia)
(486958) 2014 MU69 is a trans-Neptunian object (TNO) in the Kuiper belt, the target of the New Horizons spacecraft after its flyby of Pluto. It was originally nicknamed Ultima Thule and now has been o…
For creating spatial graphical models of objects and spacecraft, usually with software
A material used in high heat flux locations (e.g., atmospheric entry, rocket nozzles) that ablates and carries away the heat/energy of the flow protecting the structures behind it.
Questions regarding the process of bringing a mission to an early stop, often due to an emergency or unforeseen circumstances.
Questions regarding acceleration - the rate and/or direction by which an object's speed or velocity vector changes with respect to time.
The closeness of a calculation/measurement to its true value/target.
Questions on spacecraft propulsion techniques that are either theoretical or not yet at a high technology readiness level.
Questions regarding aerobot which are aerial robots used in the context of unmanned space probe
Questions related to causing a spacecraft to slow down by flying through a planet's atmosphere to produce aerodynamic drag.
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.
Aerojet Rocketdyne is an American manufacturer of rocket, hypersonic, and electric propulsive systems for space, defense, civil and commercial applications. Headquartered in Sacramento, California, th…
Aerospikes are rocket engines that don't make use of common bell-nozzles. They can maintain a high efficiency at any altitude, as their expansion ratio is constant over altitudes. The design, however,…
Questions about the use of inflatable balloons to cushion landing of probes/exploration vehicles on planetary bodies.
The release of a rocket or spacecraft from another vessel or platform within the atmosphere, after which it propels itself into space.
Questions about airlocks, used to exit a space craft, without venting all the interior atmosphere.
A Japanese space probe intended to explore Venus for the purpose of examining its meteorology.
The Emirates Mars Mission or EMM includes the spacecraft Al-Amal or “Hope” launched 19 July 2020 (2020-047A, 45918) targeting a Mars orbit where it will primarily study the Martian atmosphere. It was …
The Almaz program was a highly secretive Soviet military space station program, begun in the early 1960s.
A triple-star system and the closest stellar neighbor to our solar system
Questions regarding the distance of an object above a surface.
Questions about the authorized non-commercial use of the radio spectrum specifically as it relates to spaceflight and space exploration
Questions regarding model and/or high-powered rocketry.