What is science? We are investigating this issue on a living example of astronomy. The ancestance savage knew more about the heavenly...

The main quotes: All methods of cognition are grouped into two rows: inductive and deductive, or a series of "guidance" and a series of...

Konstantin Eduardovich Tsiolkovsky (September 5 [17], 1857, Izhevsk, Ryazan Province — September 19, 1935, Kaluga) was a Russian and...