- 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.
A measure of electrical power equal to potential in volts times current in amps.
Industry:Aerospace
A vector quantity whose magnitude is a body's speed and whose direction is the body's direction of motion.
Industry:Aerospace
Literally means "above violet" radiation. Electromagnetic radiation in the neighborhood of 100 nanometers wavelength.
Industry:Aerospace
Also called Zulu (Z) time, previously Greenwich Mean Time. UT is based on the imaginary "mean sun," which averages out the effects on the length of the solar day caused by Earth's slightly non-circular orbit about the sun. UT is not updated with leap seconds as is UTC.
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 range of microwave radio frequencies in the neighborhood of 2 to 4 ghz.
Industry:Aerospace
A small body which orbits a larger one. A natural or an artificial moon. Earth-orbiting spacecraft are called satellites. While deep-space vehicles are technically satellites of the sun or of another planet, or of the galactic center, they are generally called spacecraft instead of satellites.
Industry:Aerospace
