On September 17, the three astronauts who followed the Shenzhou 12 spacecraft touring the Tiangong completed their three-month in-orbit mission and successfully returned after successfully completing two exits and various scientific experiments. Earth home.
But what preparations do astronauts have to make before returning, what are the challenges of crossing the atmosphere, where does the Shenzhou XII spacecraft land, and what safety guarantees are there for landing?
Let's listen to Liu Xiaozhen, the chief designer of the manned spacecraft of the Fifth Academy of China Aerospace Engineering!
(Video source from China Aerospace Science and Technology Group Fifth Academy)
Editor in charge: [Ji Xiang]