According to CCTV reports, this morning, the “Wentian” experimental module and the Long March 5B Yaosan carrier rocket were transported vertically at the Wenchang space launch site in Hainan, and are expected to be launched at the end of this month. It is reported that the “Wentian” experimental module weighs 23 tons and is the largest single module in my country’s space station. This launch is also the largest tonnage spacecraft launched since the Long March 5B rocket was put into service. The launch of more than 20 tons of equipment requires a rocket with strong capacity. This time, the Long March 5B rocket is still responsible for the launch of the space station. This is a special rocket for low-orbit launch based on the improvement of the Long March 5, and it is also the third of the Long March 5B. launch. Previously, on May 5, 2020, the Long March 5B made its maiden flight, successfully sending my country’s new-generation manned spacecraft test ship into its intended orbit. On April 29, 2021, the Long March 5B Yao-2 carrier rocket successfully sent the space station Tianhe core module into the predetermined orbit. What is the difference between the Long March 5B rocket and the Long March 5 rocket? In an interview with CCTV, Huang Bing, the deputy chief designer of the Long March 5 launch vehicle of the Aerospace Science and Technology Group, made a popular science for everyone. First of all, the tasks undertaken by the Long March 5 and the Long March 5B are different. The Long March 5 is a high-orbit vehicle.
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