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Aerospace
Industry that includes methods of travel and spacecraft for navigating the air or space.
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Aerospace > Space flight 
conjunction
Aerospace; Space flight
A configuration in which two celestial bodies have their least apparent separation.
coherent
Aerospace; Space flight
Two-way communications mode wherein the spacecraft generates its downlink frequency based upon the frequency of the uplink it receives.
civil twilight
Aerospace; Space flight
For technical definition, please follow this link to the U.S. Naval Observatory Astronomical Applications website.
channel
Aerospace; Space flight
In telemetry, one particular measurement to which changing values may be assigned. See Chapter 10.
chandler wobble
Aerospace; Space flight
A small motion in the Earth's rotation axis relative to the surface, discovered by American astronomer Seth Carlo Chandler in 1891. Its amplitude is about 0.7 arcseconds (about 15 ...
centripetal acceleration
Aerospace; Space flight
The inward acceleration of a body revolving around another body.
Sub-categories
- Control systems (1744)
- Satellites (11359)
- Space flight (8863)
- Space shuttle (354)