China News Service, Beijing, May 7 (Ma Shuisha) According to the China Manned Space Engineering Office, on May 7, Beijing time, the Tianzhou-4 cargo spacecraft and the Long March-7 Yao-5 carrier rocket were vertically transported to launch. Area.

At present, the facilities and equipment of Wenchang Space Launch Site are in good condition, and various functional inspections and joint tests before launch will be carried out as planned.

  As the messenger to deliver goods and propellants to the space station and space science laboratory, the Tianzhou cargo spacecraft is affectionately known as the "courier boy" in space.

The launch of the Tianzhou-4 cargo spacecraft is the first mission after the Chinese space station has been fully transformed into the construction stage.

  The Long March 7 Yao-5 carrier rocket that carried out this launch mission was safely transported to the Wenchang Space Launch Site on April 11 after completing all the research and development work before leaving the factory.

After that, the Long March 7 Yao 5 carrier rocket and the Tianzhou 4 cargo spacecraft that had arrived earlier carried out the final assembly and testing of the launch site area as planned.

  The Long March 7 carrier rocket is a new generation of medium-sized two-stage liquid bundled carrier rockets, which was developed to meet the requirements of the Chinese space station project to launch cargo spacecraft.

It can deliver a 13.5-ton payload into low-Earth orbit with a perigee of 200 kilometers and apogee of 400 kilometers.

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