See under .
the branch of engineering that deals with the design, development, testing, and production of aircraft and related systems (aeronautical engineering) and of spacecraft, missiles, rocket-propulsion systems, and other equipment operating beyond the earth’s atmosphere (astronautical engineering)
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, spacecraft, etc
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 Space Exploration Committee on Science and Astronautics As far back as I […]
. noun another term for celestial navigation
an expert in ; a scientific observer of the celestial bodies. Contemporary Examples The new Research Institute set features an all-female cast: a paleontologist, astronomer, and chemist. Why It Took LEGO So Long to Get the Memo: Girls Like Science, Too Samantha Allen August 5, 2014 Calvin astronomer Howard Van Till was for years the […]