At 17:27 on May 3rd, the Chang'e-6 probe was successfully launched from the Wenchang Space Launch Site in China by the Long March 5 Yao-8 carrier rocket. It then accurately entered the Earth Moon transfer orbit, marking the world's first lunar treasure hunt. After about 37 minutes of flight, the Long March-5 Yao-8 carrier rocket separated and sent the Chang'e-6 probe directly into the planned Earth Moon transfer orbit with a perigee altitude of 200 kilometers and an apogee altitude of approximately 380000 kilometers. The Chang'e-6 probe consists of an orbiter, a lander, a lander, and an ascent. Subsequently, with the support of ground measurement and control and the Queqiao 2 relay satellite, the Chang'e-6 probe will undergo processes such as Earth Moon transfer, near moon braking, lunar circumnavigation, landing descent, and lunar soft landing. Samples of lunar surface rocks and soil will be collected in a pre selected area on the far side of the moon, while conducting scientific exploration. After completing the sampling packaging, the ascent will take off on the lunar surface, followed by lunar orbital rendezvous and docking, and the sample will be transferred to the retriever; The rover will undergo processes such as lunar to Earth transfer, approaching the speed of the second universe and re-entering Earth, ultimately carrying precious lunar samples back to Earth. In 2004, China's lunar exploration project was officially approved and implemented under the leadership of the National Space Administration. In the past 20 years, from Chang'e-1 to Chang'e-4 achieving the first soft landing on the far side of the moon, from Chang'e-5 successfully returning with lunar soil, to the successful launch of Chang'e-6, China's space exploration has not stopped. The far side of the moon is older than the front. So far, all human lunar sampling and return missions have been located on the front side of the moon. The Antarctic Aitken Basin, where Chang'e-6 was pre selected for landing, is one of the three major lunar bodies with significant scientific research value. The Chang'e-6 mission is expected to take about 53 days. Compared to the Chang'e-5 mission in 2020, which aimed to excavate treasures on the near side of the moon, this mission has a longer cycle, more engineering innovations, higher risks, and greater difficulty. It requires breakthroughs in key technologies such as lunar retrograde orbit design and control, intelligent rapid sampling on the lunar back, and lunar back takeoff and ascent. The precious lunar samples that Chang'e-6 is about to collect are expected to deepen human research on the genesis and evolutionary history of the moon. Chang'e-6 also carries four international payloads from the European Space Agency, France, Italy, and Pakistan, and will conduct multiple studies on the lunar back during the same period. (Lai Xin She)
Edit：Lubaikang Responsible editor：Chenze
Source：paper.people.com.cn
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