- 업종: 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 distance, the distance light travels in one year, about 63,197 AU.
Industry:Aerospace
The amount of time it takes light or radio signals to travel a certain distance at light speed.
Industry:Aerospace
Every fourth year, in which a 366th day is added since the Earth's revolution takes 365 days 5 hr 49 min.
Industry:Aerospace
A second which may be added or subtracted to adjust UTC at either, both, or neither, of two specific opportunities each year.
Industry:Aerospace
A range of microwave radio frequencies in the neighborhood of 1 to 2 ghz.
Industry:Aerospace
Circles in parallel planes to that of the equator defining north-south measurements, also called parallels.
Industry:Aerospace
Light Amplification by Stimulated Emission of Radiation. Compare with Maser.
Industry:Aerospace
The SI base unit of mass, based on the mass of a metal cylinder kept in France. See also g (gram).
Industry:Aerospace
