- Отрасли: 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.
The distance from one side of a body to the other, measured through the center.
Industry:Astronomy
The invisible electromagnetic radiation beyond the violet end of the spectrum of visible light, of wavelengths ranging, roughly, from 4000 down to 400 angstroms.
Industry:Astronomy
The position on the celestial sphere occupied by the sun on or about march 21 when its path on the ecliptic crosses the celestial equator going from south to north. This point is also called the march equinox and the first point of aries.
Industry:Astronomy
Anything that a flight vehicle carries beyond what is required for its operation during flight.
Industry:Astronomy
Transmission of heat by moving heated gases. In a hot-air furnace the heated air rises and cooler, heavier air falls.
Industry:Astronomy
The amount of matter in a unit volume of a substance; usually the mass per unit of volume.
Industry:Astronomy
The distance in degrees along the horizon, westward from the south point of the horizon, to the place where a vertical circle through the star or other object intersects the horizon.
Industry:Astronomy
The straight line, real or imaginary, passing through a rotating body and is the line about which that body rotates.
Industry:Astronomy
A measure for distances within the solar system, equal to the mean ditance of the earth from the sun, which is about 93,000,000 miles.
Industry:Astronomy
