Astrometeorology
the study of the theoretical effects of astronomical bodies and forces on the earth’s atmosphere.
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- Astrometry
the branch of astronomy that deals with the measurement of the positions and motions of the celestial bodies. historical examples the subject of astrophysics does not admit of so definite a subdivision as that of astrometry. encyclopaedia britannica, 11th edition, volume 2, slice 7 various noun the branch of astronomy concerned with the measurement of […]
- Astrometric binary
a binary star that can be recognized as such because of its undulating proper motion. astrometric binary (ās’trə-mět’rĭk) see under binary star.
- Astronautical
of or relating to or .
- Astronautical engineering
see under . the branch of engineering that deals with the design, development, testing, and production of aircraft and related systems (aeronautical engineering) and of sp-cecraft, missiles, rocket-propulsion systems, and other equipment operating beyond the earth’s atmosphere (astronautical engineering)
- Astrocompass
noun a navigational instrument for giving directional bearings from the centre of the earth to a particular star. it is carried in long-range aircraft, ships, sp-cecraft, etc