China’s Chang’e 6 lunar probe has returned to Earth with rock and soil samples from the Moon’s unexplored far side. This mission, the first to collect samples from this region, successfully landed in the Inner Mongolia desert on Tuesday, concluding a nearly two-month expedition.
The Chang’e 6 probe launched from China’s Wenchang Space Launch Site on May 3, 2024. It landed on the Moon’s far side in the South Pole-Aitken basin, an ancient impact crater, and conducted its mission over 53 days.
The far side of the Moon, facing away from Earth, presents unique challenges due to its distance and rugged terrain. Missions to this region require relay satellites to maintain communication with Earth. The Chang’e 6 mission utilized such technology, enabling successful data transmission and navigation.
Scientists are particularly interested in the far side because it may contain traces of ice and offer insights into the Moon’s geological history. The samples collected by Chang’e 6 are expected to include 2.5-million-year-old volcanic rock and other materials that could shed light on the differences between the Moon’s near and far sides. These findings could help answer fundamental questions about the formation of planets and the history of our solar system.
State media celebrated the landing with images of officials planting the Chinese flag at the landing site. The probe will be transported to Beijing for detailed analysis of the samples, which could revolutionize our understanding of lunar science.
China’s space program has made remarkable progress over the past decade. In 2013, China’s Chang’e 3 mission marked the country’s first Moon landing. In 2019, China achieved a global first by landing the Chang’e 4 probe on the far side of the Moon. The Chang’e 5 mission followed in 2020, returning samples from the Moon’s near side.
The samples from the far side of the Moon are expected to reveal crucial information about lunar geology and the solar system’s history. Catherine Heymans, the astronomer royal for Scotland, noted the potential of these samples to test theories about the Moon’s formation and its relationship with Earth.
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