Story, 1893 (year written: 1887). The story "On the Moon" was repeatedly reprinted - five times only during the life of a scientist Soviet edition . 1933 . "On the Moon" - a popular story about the unusual world of the nearest cosmic body to us Known knowledge about the moon was presented to the reader in an entertaining form of a fantastic journey. The story was told on behalf of a man who, during his sleep, was carried by a rich imagination to the moon, not alone, but together with a friend, a physicist by profession, who could explain what was happening from a scientific point of view. How the heroes got to the moon is unclear. The author does not say .. Just with the words “I woke up...” began the amazing adventures of the heroes. The novel “under the guise of a dream describes our moon and its physical and astronomical properties,” explained the author. Fascinatingly and vividly, he said that on the moon there is no atmosphere, no water, no plants, no animal organisms. He pointed to a huge temperature difference between the side of the Moon illuminated by the Sun, where there is an unbearable heat from which you can burn, and the unlit hemisphere, when there are nights and incredible frosts on the Moon. And this is repeated every 15 Earth days. “The temperature contrast is amazing!” he exclaimed. - Such temperature conditions do not favor the development of life on the Moon. Around "no lake, no river and no drop of water! Even if the horizon was white - it would indicate the presence of vapors, but it is as black as the zenith!.. Solid ground stone . No soft black earth, no sand, no clay. It's a dark picture!". The scientist also told about the position of a person in unusual lunar conditions, under which the gravity is six times less than on Earth. Man will feel on the moon amazing ease of movement . People will move “jump” ... The steps of a man there will be like “giant steps”, and the forces are so great that he can easily lift stones six times heavier than earth’s stones ... And then the dream is over, and the narrator is again on Earth