upper atmosphere, oceanology, joliot, plasma physics, astronautical, language teaching, dixi, cosmochemistry, aeronomy, allergology, exobiology, olympiad, astron, astronomical telescope, radioastronomy, geodesy, hupo, tiros, spacewoman, iasi, circumlunar, biologie, paros, underwater archaeology, bioastronautics, cbers, emmy noether, salyut, meteorological satellite, smos, jarl, johannes kepler, physical geography, speleology, minos, fluid mechanics, pneumology, hermann von helmholtz, geosynchronous, astronomie, marum, ikt, sciamachy, bessy, deimos, cira, ursi, nast, opsis, hydraulic engineering, megaron, tycho brahe, venereology, iums, fise, magnetic recording, heinrich hertz, ilia, harlow shapley, tokamak, praesidium, electron accelerator, osiris, thermonuclear reactor, thales, boundary layer, planetology, enea, spectroscopic analysis, spoken language, nuclear physics, institut, thermal emission, visual perception, galileo, geomagnetism, sounding rocket, indology, symposia, george enescu, signal detection, dscs, phenix, eten, standardisation, denis diderot, geostationary, comenius, ecosoc, gela, gerardus mercator, robert bunsen, nicolaus copernicus, nightglow, cherenkov, theos, space capsule, navstar, afrl, polytechnical, iter, physics laboratory