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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.
A modulation scheme in which data symbols are represented by a shift from one phase to another. See Chapter 10.
Industry:Aerospace
In the U.S., 109. In other countries using SI, 1012.
Industry:Aerospace
Downlink from a spacecraft that immediately indicates the state of the spacecraft as being one of several possible states by virtue of the presence and/or frequency of the subcarrier. See Chapter 10. Bel - Unit of ratio equal to ten decibels. Named in honor of telecommunications pioneer Alexander Graham Bell.
Industry:Aerospace
A unit of ratio equal to ten decibels. Named in honor of telecommunications pioneer Alexander Graham Bell.
Industry:Aerospace
Based on the mean Earth-to-sun distance, 149,597,870 km. Refer to "Units of Measure" section for complete information.
Industry:Aerospace
For technical definition, please follow this link to the U.S. Naval Observatory Astronomical Applications website.
Industry:Aerospace
10-18 meter.
Industry:Aerospace
A class of Earth-crossing asteroid.
Industry:Aerospace
Small bodies composed of rock and metal in orbit about the sun.
Industry:Aerospace
The argument (angular distance) of periapsis from the ascending node.
Industry:Aerospace