At 11:23 on September 27, 2020, the long march 4B carrier rocket ignited and lifted off from Taiyuan Satellite Launch Center, successfully sending two satellites of group 01 of environmental disaster reduction No.2 into the scheduled orbit, and the launch mission was successful. The environmental disaster reduction satellite group 01 will be mainly used in disaster prevention and mitigation, ecological environment, land and resources, water conservancy and agriculture, forestry, earthquake and other industries, with large-scale, all-weather, all-time, dynamic environmental and disaster monitoring capabilities. At present, China has launched more than 500 satellites in space, including communication satellites, remote sensing satellites, meteorological satellites and so on. So how are these satellites made? Today, I will follow CCTV reporters to Beijing satellite manufacturing factory to see how the stars serving us are made overhead. < p > < p > when you enter the workshop of Beijing satellite manufacturing factory, the first thing you see is the shell of the satellite. The outer shell of the satellite is a honeycomb structure, and all the materials used to build this structure are soft aluminum. Honeycombs like fudge, aluminum plates like bread, these soft things combine to make the outer shell of the satellite impregnable. < / P > < p > there is also such a artifact here. It is called the solar wing substrate. Satellites work in the universe by it. Solar energy is absorbed in the universe and converted into electric energy to provide energy for satellites. You see, it’s like a huge power bank. When you travel the universe, it can guarantee super long standby and long endurance! < / P > < p > before flying into space, the satellite should wear a special beautiful dress, which is tailored for it by the astronauts. It is made of a variety of materials to ensure the temperature of the satellite itself in the extreme cold and hot environment of space, just like wearing a warm winter and cool summer clothes for it. The report shows that the number of app store purchases soared in the first half of this year due to the impact of covid-19