Definition of "cosmonautics" [cosmonautics]

• The activities of cosmonauts; Soviet astronautics. (noun)

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• "The first thing you see when you teleport into the International Spaceflight Museum ISM in Second Life is the above quote from the great pioneer of cosmonautics Konstantin Tsiolkovsky ."
• "The first thing you see when you teleport into the International Spaceflight Museum ISM in Second Life is the above quote from the great pioneer of cosmonautics Konstantin Tsiolkovsky."
• "Along the way, “the father of cosmonautics” conceived of such advanced ideas as rocket staging, high-energy liquid propellants such as liquid oxygen and liquid hydrogen, Earth-orbiting space stations, space suits for what would become known as “space walks,” and even self-sustaining ecological starships capable of intergalactic travel."