- 行业: Aerospace
- Number of terms: 16933
- Number of blossaries: 2
- Company Profile:
The Executive Branch agency of the United States government, responsible for the nation's civilian space program and aeronautics and aerospace research.
Communications mode wherein a spacecraft generates its downlink frequency independent of any uplink frequency.
Industry:Aerospace
For technical definition, please follow this link to the U.S. Naval Observatory Astronomical Applications website.
Industry:Aerospace
The direction from a spacecraft directly down toward the center of a planet. Opposite the zenith.
Industry:Aerospace
The SI unit of force equal to that required to accelerate a 1-kg mass 1 m per second per second (1m/sec2). Compare with dyne.
Industry:Aerospace
A scheme for delivering many different measurements in one data stream. See Chapter 10.
Industry:Aerospace
For technical definition, please follow this link to the U.S. Naval Observatory Astronomical Applications website.
Industry:Aerospace
For technical definition, please follow this link to the U.S. Naval Observatory Astronomical Applications website.
Industry:Aerospace
A small natural body which orbits a larger one. A natural satellite. Capitalized, the Earth's natural satellite.
Industry:Aerospace
