aerostat russian
аэроста́т
balloon (aircraft)
aerostat, airship
аэроста́тика
aerostatics
воздухопла́вание
aeronautics, aerostatics
воздухопла́вательный
aeronautic, aerostatic, balloon
balloon (aircraft)
aerostat, airship
aerostatics
aeronautics, aerostatics
aeronautic, aerostatic, balloon