- 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.
An area in the sky where an antenna cannot track a spacecraft because the required angular rates would be too high. Mechanical limitations may also contribute to keyhole size. Discussed in depth under Chapter 2.
Industry:Aerospace
A range of microwave radio frequencies in the neighborhood of 12 to 40 ghz.
Industry:Aerospace
A multiplier, x103 from the Greek "khilioi" (thousand). See the entry for CGPM.
Industry:Aerospace
The Jet Propulsion Laboratory is the lead US center for robotic exploration of the solar system, and conducts major programs in space-based Earth sciences and astronomy
Industry:Aerospace
Jupiter-like planets, the gas giants Jupiter, Saturn, Uranus, and Neptune.
Industry:Aerospace
Originally known as the Interim Upper Stage, is a two-stage solid-fueled booster rocket developed by the U.S. Air Force for the launching of large payloads from either a Titan III (later Titan IV) rocket or from the payload bay of the Space Shuttle.
Industry:Aerospace
A chronological record of events taking place during a spaceflight. For example, the 2001 Integrated Sequence of Events for Voyager.
Industry:Aerospace
