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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…
A material used during reentry to boil and burn away to get rid of energy from air friction.
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.
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…
Questions on spacecraft propulsion techniques that are either theoretical or not yet at a high technology readiness level.
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.
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.
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 Almaz program was a highly secretive Soviet military space station program, begun in the early 1960s.
Questions regarding the distance of an object above a surface.
Questions regarding home-made rockets.
Questions regarding spacecraft, projects, or agencies of or relating to America.
a family of space-launch vehicles in development by Russia.
Questions regarding the use of living organisms from kingdom Animalia for space exploration.
Questions about the Antares launcher, built by Orbital Sciences.