Physics – Geophysics
Scientific paper
Sep 1970
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1970ssrv...11..131l&link_type=abstract
Space Science Reviews, Volume 11, Issue 1, pp.131-151
Physics
Geophysics
Scientific paper
Transition between high altitude manned observatories and unmanned balloon-borne or rocket-borne experiments is achieved with high flying aircrafts, at altitudes above tropopause (>12 km), which became readily available, at reasonable cost and reliability, in the past five or ten years. This paper reviews the development of scientific uses of aircrafts, especially for astronomy and geophysics, with some emphasis placed on infrared problems, closely related to the scale height of the chief infrared absorber, i.e. telluric water vapor. Absorbers distribution vs altitude and spectral characteristics are summarized (Figures 1, 2, 3). Capabilities of various available aircrafts are compared (Table I) and the various ways to consider modifications are discussed: structural modifications or design problems to fit telescopes or light collectors on board. Tables II and III list the advantages of airborne observations, compared to other spatial carriers, and also the specific problems connected with aircrafts. Adopted solutions to these problems are exposed (Figures 4, 5, 6, 7) and costs are briefly discussed. Finally, a few examples of scientific results, gathered in the few past years from aircraft, are given, both in astronomy and in geophysics.
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