After orbiting Earth for six months, the three members of China's Shenzhou XIII mission returned to Earth safely on April 16h, 2022, (conclude) the nation's longest manned spaceflight.
During their stay in the space station, the crew preformed two spacewalks and conducted a series of scientific experiments using a large robotic arm and other (equip) to install and adjust devices. Meanwhile, it was the first time that a female Chinese astronaut (perform) a space walk. Besides, the astronauts, with the (assist) of the staff on the ground, delivered a science lecture 400 kilometers above Earth to millions of students. They showed viewers they lived and worked inside the space station. The uniform called a "penguin jumpsuit", (special) designed to help the astronauts maintain their muscle strength, was introduced. The astronauts also demonstrated some experiments related to physical phenomena in the weightless environment, during he compared the growth of cells in artificial gravity and zero-gravity.
The Shenzhou XIII's space-based lessons, (intend) to popularize space science and spark enthusiasm in science among youngsters, marks the start of the Tiangong Class series. its space station construction advancing, China will share its breakthroughs and strengthen cooperation with other countries to push space exploration (far) forward.
