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 Copy Share Image
To set foot on the soil of the asteroids, to lift by hand a rock from the Moon, to observe Mars from a distance of several tens of kilometers, to land on its satellite or even on its surface, what… — Konstantin Tsiolkovsky Copy Share Image
