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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 
traveling wave tube (TWT)
Aerospace; Space flight
Downlink power amplifier in a spacecraft used to amplify radio frequency signals to high power, usually in an electronic assembly known as a traveling-wave tube amplifier (TWTA). ...
two-way non-coherent mode (TWNC)
Aerospace; Space flight
Describing a spacecraft's downlink is not based upon a received uplink from DSN.
two-way
Aerospace; Space flight
Communications mode consisting of downlink received from a spacecraft while uplink is being received at the spacecraft. See also coherent.
twilight
Aerospace; Space flight
For technical definition, please follow this link to the U.S. Naval Observatory Astronomical Applications website.
true anomaly
Aerospace; Space flight
The angular distance of a point in an orbit past the point of periapsis, measured in degrees.
transit
Aerospace; Space flight
For technical definition, please follow this link to the U.S. Naval Observatory Astronomical Applications website.
Sub-categories
- Control systems (1744)
- Satellites (11359)
- Space flight (8863)
- Space shuttle (354)