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.
Read Also:
- 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
- Astronautics
the science of or technology involved in travel beyond the earth’s atmosphere, including interplanetary and interstellar flight. historical examples apparently the demand for specific formal education in the science of astronautics is increasing faster than it is being supplied. the practical values of sp-ce exploration committee on science and astronautics as far back as i […]
- Astronavigation
. noun another term for celestial navigation