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In the vast grasslands of Inner Mongolia, a heart-wrenching scene unfolded quietly: the Shenzhou 16 spacecraft, after a long five-month space stay, returned safely on October 31, 2023, a day that went down in history. Astronauts Jing Haipeng, Gui Haichao, and Zhu Yangzhu, three space walkers, ended the longest space journey in the history of China's manned spaceflight. Their safe return is not only a great affirmation of the construction of China's space station, but also a brilliant achievement in the aerospace industry.
However, even explorers of the sea of stars will encounter wind and waves. The journey home wasn't all smooth this time, with some heart-pounding moments that made people clasp hands. In the live broadcast of CCTV, we saw that Shenzhou 16 shuttled back, and in the process of passing through the atmosphere, a hole appeared in its main parachute, like a warrior who had gone through the smoke of gunpowder, leaving traces of battle. When landing, there was another tumbling of the return capsule, like a ship adrift at sea suddenly encountered a storm, which made people's hearts ripple.
So, where did the hole in the cloth come from? The parachute, the patron saint that guards the ship's smooth landing, cannot be ignored by any of its minor flaws. This 1,200-square-meter parachute, one of the world's largest parachutes, is made of thousands of pieces of parachute, like a huge white wing, spreading out in the sky, leaving a circular gap between them, allowing the whisper of the wind to become a strong backing for the spacecraft. And the irregular hole is not the original intention of the umbrella cloth, but the helpless work of high-altitude friction.
Still, did the hole break the integrity of the parachute? The answer is: the ship of the stars is still steady. Because this hole is insignificant in the vastness of the canopy, the independent design of the canopy does not spread the damage, like fine sand disappearing in the vast desert. Moreover, Shenzhou-16's smart alternative also includes a spare parachute, and ensuring safety is its constant vow. The history of the Shenzhou series of spacecraft in the past tells us that such damage is not uncommon, and it has not affected the safe landing of the spacecraft.
In addition, the mystery of the tumbling of the spacecraft when it lands is equally curious. Does it signal an anomaly in a thrust reverser rocket? The defender, who cushioned the onslaught at the last moment, did not fail in his duties. According to expert analysis, the precise calculation and self-adjustment ability of the thrust reverser rocket makes the possibility of uneven start or thrust very small. The truth of the tumbling is actually an interweaving of a series of complex factors, including wind speed, terrain, and the control of the ship's attitude. This situation is like a sailing ship at sea, although there are wind and waves, but it also depends on the captain's skillful control, and finally arrives at the harbor steadily.
The Shenzhou-16 spacecraft and its astronauts, with their courage and wisdom, have once again proved the strength and potential of China's space flight. At this moment, they are not only the pride of China, but also a good story for all mankind to explore the frontier of the universe. And for each of us who looks up at the stars, their journey inspires our dreams and pushes us to touch the impossible moments.
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