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National Aeronautics and Space Administration
Industry: 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.
Orbit in which the spacecraft moves in the opposite direction from the planet's rotatation. See prograde.
Industry:Aerospace
Dziewiątą planetą od słońca, czasem klasyfikowane jako małe terrestrial planet.
Industry:Aerospace
Electrically conductive fourth state of matter (other than solid, liquid, or gas), consisting of ions and electrons.
Industry:Aerospace
The direction from a spacecraft directly down toward the center of a planet. Opposite the zenith.
Industry:Aerospace
System dostarcza wielu różnych pomiarów w strumień danych jeden. Patrz rozdział 10.
Industry:Aerospace
Time based on an average of the variations caused by Earth's non-circular orbit. The 24-hour day is based on mean solar time.
Industry:Aerospace
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
The position on the ecliptic occupied by the sun about december 22 when it reaches its greatest southerly declination.
Industry:Astronomy
Very short wavelength radiations beyond the ultraviolet in the spectrum, which are about one ten-thousandth as long as the visible violet and are extremely penetrating.
Industry:Astronomy