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董李无忧：Chang'e-5 safely returns moon samples

China's Chang'e-5 probe has successfully returned to Earth with the first samples of the moon's surface collected in more than 40 years. The spacecraft landed in Inner Mongolia's Siziwang district in the early hours of Thursday, December 17th, and was met by a team of engineers and scientists.

The mission was named after the Chinese goddess of the moon, and was launched on November 24th from the Wenchang Spacecraft Launch Site in south China's island province of Hainan. Over the course of its 23-day mission, the probe successfully landed on the near side of the moon, collected 2kg of samples and returned to Earth.

The success of the mission marks a major milestone for China's space program, which has been rapidly growing in recent years. In 2003, China became the third country to successfully launch a human into space, and in 2019 it became the first country to land a spacecraft on the far side of the moon.

The moon samples collected by Chang'e-5 will be studied by scientists around the world to gain a better understanding of the moon's geology and history. The samples are expected to be much younger than those collected by the Apollo missions in the 1960s and 1970s, as they were collected from a region of the moon that is believed to have formed more recently.

One of the key challenges of the mission was returning the samples safely to Earth. The samples were collected from an area of the moon with a harsh environment, and the probe had to endure extreme temperatures and radiation on both the journey to and from the moon.

The success of the mission is a testament to the hard work and dedication of the team at the China National Space Administration, as well as the engineers and scientists who designed and built the spacecraft. It also highlights the potential of international collaboration in space exploration, as China has worked closely with other countries in the development of its space program.

Going forward, China has ambitious plans for its space program, including a manned mission to the moon and the establishment of a permanent space station. The successful return of the Chang'e-5 mission brings these goals one step closer.

Overall, the successful return of the Chang'e-5 mission is a significant achievement for China's space program and for the field of space exploration. It demonstrates China's growing capabilities in space technology and highlights the potential of international collaboration in this field. The moon samples collected by the mission will provide valuable insights into the history and geology of the moon, and will contribute to our understanding of the universe as a whole.