Cosmic Research, Том 18

according accuracy altitude angle approximation assume atmosphere average axis boundary calculated carried characteristic coefficient component concentration consider constant constructed coordinate correction corresponding cosmic ray curve decrease density dependence described determined direction distance distribution earth effect electron energy equal equation error estimate experiment expression flight flux function given height increase indicated initial integral intensity ionosphere ions Kosm latitude layer limits magnetic field Mars mass maximum means measurements method motion noted observed obtained occurs optimal orbit oscillations parameters particles period perturbations planet plasma polar position possible present probe problem r₁ radiation range region relative respect rotation satellite shown shows solar solution space spacecraft spectra spectrum surface Table temperature tion trajectory values variations vector velocity Venus wave wind