The first human space ship

Space flights became part of human achievements following the theoretical and practical discoveries of Constantin Tseulkovsky and Robert Goddard. The Soviet Union took the lead in the post-war space race by launching the first satellite, the first man and the first woman to orbit space. The United States was able to catch up with its Soviet rivals by launching the first man to land on the moon in 1969. Following the end of the space race, space flight was characterized by greater international cooperation and access to LEO at the lowest cost and expansion of commercial enterprises. Planetary probes visited all the planets of the solar system but the human shadow around orbit