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The corner of the nose-gear door can be seen at the lower left. The dark solid black tiles are new ones which have yet to go through a reentry. (At top, the white object is the open left cargo bay door.) Reentry heating differs from the normal atmospheric heating associated with jet aircraft, and this governed TPS design and characteristics.
Prototype of the Mk-2 Reentry Vehicle (RV), based on blunt body theory. The original American sphere-cone aeroshell was the Mk-2 RV (reentry vehicle), which was developed in 1955 by the General Electric Corp. The Mk-2's design was derived from blunt-body theory and used a radiatively cooled thermal protection system (TPS) based upon a metallic ...
Reentry is a neural structuring of the brain, which is characterized by the ongoing bidirectional exchange of signals along reciprocal axonal fibers linking two or more brain areas. [1]
A reentry capsule is the portion of a space capsule which returns to Earth following a spaceflight. The shape is determined partly by aerodynamics ; a capsule is aerodynamically stable falling blunt end first, which allows only the blunt end to require a heat shield for atmospheric entry .
An external tank floats away from the Space Shuttle orbiter. 134 of these tanks were brought to orbital altitude and then released for re-entry (135 total orbital missions minus Challenger) The External Tank for STS-1 is released from the Space Shuttle.
The concept has also been used to extend the reentry time for vehicles returning to Earth from the Moon, which would otherwise have to shed a large amount of velocity in a short time and thereby suffer very high heating rates. The Apollo Command Module also used what is essentially a skip re-entry, as did the Soviet Zond and Chinese Chang'e 5-T1.
The STA was particularly critical for Shuttle pilots in training because the Orbiter lacked atmospheric engines that would allow the craft to "go around" after a poor approach. After re-entry, the Shuttle was a very heavy glider (it was affectionately referred to as a 'flying brick') and as such had only one chance to land successfully.
Reentry (neural circuitry) in neuroscience; Re-entry, or reentrant dysrhythmia, a type of cardiac arrhythmia; Atmospheric entry, the movement of human-made or natural objects as they enter the atmosphere of a planet from outer space Skip reentry