If I win, I will be a concubine. Tell me about the mentality of girls.

America's first orbiting space station. 1973 launched in May 14. The orbital height is 430 kilometers. It is cylindrical, 35 meters long, 7 meters in diameter and weighs about 77. Five tons. It is divided into two floors, the upper is the studio and the lower is the living room. The main tasks are to investigate the impact of long-term space flight on human body, observe the sun, comets and earth resources, and conduct space metallurgical experiments. After the launch, on May 25th, July 28th and June165438+1October16th of the same year, three groups of astronauts (three in each group) were sent to Skylab by Apollo manned spacecraft, where they worked and lived for 28 days, 59 days and 84 days respectively. 1979 July 1 1 crashed into the atmosphere early.