From the moment of using rocket devices, a great new era will begin in astronomy: the epoch of the more intensive study of the firmament. Konstantin Tsiolkovsky astronomybegindevice Change image and share on social
All the universe is full of the lives of perfect creatures. Konstantin Tsiolkovsky creaturefulllive Change image and share on social
I do not remember how it got into my head to make the first calculations related to rocket. It seems to me the first seeds were planted by famous fantaseour, J. Verne. Konstantin Tsiolkovsky calculationfamousfantaseour Change image and share on social
The Earth is the cradle of humanity, but mankind cannot stay in the cradle forever. Konstantin Tsiolkovsky cradleearthforever Change image and share on social
Earth is the cradle of humanity, but one cannot remain in the cradle forever. Konstantin Tsiolkovsky cradleearthforever Change image and share on social
My entire life consisted of musings, calculations, practical works, and trials. Many questions remain unanswered; many works are incomplete or unpublished. The most important things still lie ahead. Konstantin Tsiolkovsky aheadcalculationconsist Change image and share on social
Men are weak now, and yet they transform the Earth's surface. In millions of years, their might will increase to the extent that they will change the surface of the Earth, its oceans, the atmosphere, and themselves. Konstantin Tsiolkovsky atmospherechangeearth share on social
Mankind will not forever remain on Earth but, in the pursuit of light and space, will first timidly emerge from the bounds of the atmosphere and then advance until he has conquered the whole of circumsolar space. Konstantin Tsiolkovsky advanceatmospherebound share on social
Man must at all costs overcome the Earth's gravity and have, in reserve, the space at least of the Solar System. Konstantin Tsiolkovsky costearthgravity Change image and share on social
