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Space flight
Of or relating to the act of voyaging outside the Earth's atmosphere and into outer space, and the science involved in achieving it.
Industry: Aerospace
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Space flight
Klystron
Aerospace; Space flight
A microwave travelling wave tube power amplifier used in transmitters.
Kilogramme (kg)
Aerospace; Space flight
The SI base unit of mass, based on the mass of a metal cylinder kept in France. See also g (gram).
Keyhole
Aerospace; Space flight
An area in the sky where an antenna cannot track a spacecraft because the required angular rates would be too high. Mechanical limitations may also contribute to keyhole size. Discussed in depth ...
Gravitation
Aerospace; Space flight
The mutual attraction of all masses in the universe. Newton's Law of Universal Gravitation holds that every two bodies attract each other with a force that is directly proportional to the product of ...
Geosynchronous
Aerospace; Space flight
A direct, circular, low inclination orbit about the Earth having a period of 23 hours 56 minutes 4 seconds.
Ground data system (GDS)
Aerospace; Space flight
Encompasses DSN, GCF, DSMS, and project data processing systems.
Geostationary
Aerospace; Space flight
A geosynchronous equatorial circular orbit. Also called Clarke orbit.
