BEIJING – An unmanned Chinese spacecraft carrying rocks and soil from the Moon returned safely to Earth early Thursday, completing the first mission in four decades to collect lunar samples.
While scientists hope the samples will give insights into the Moon's origins and volcanic activity on its surface, the trip was also another high-profile chapter in China's bid to become a space superpower.
In images broadcast on state television, a Chinese flag was flown at the snow-covered grasslands where the capsule landed in the country's remote north.
The probe's return "demonstrates the complete accomplishment of China's first mission to collect samples from an extraterrestrial body," China's National Space Administration (CNSA) said.
China is now only the third country to have retrieved samples from the Moon, following the United States and the Soviet Union in the 1960s and 1970s.
Chang'e-5, named after a mythical Chinese Moon goddess, landed on the Moon on December 1.
While there, it raised the Chinese flag, the country's space agency said.
When the probe left the Moon two days later, that marked the first time that China had achieved take-off from an extraterrestrial body, it said.
The module then went through the delicate operation of linking up in lunar orbit with the part of the spacecraft that brought the samples back to Earth.
The Chang'e-5 mission was to collect two kilograms of material in an area known as Oceanus Procellarum – or "Ocean of Storms" – a vast, previously unexplored lava plain, according to the science journal Nature.
The capsule will be airlifted to Beijing for opening, and the Moon samples will be delivered to a research team for analysis and study, China's space agency said.
Space dream
China has spent billions of dollars on its military-run space programme in an effort to catch up with the achievements of the United States and Russia.
China launched its first satellite in 1970, while human spaceflight took decades longer – with Yang Liwei becoming the country's first "taikonaut" in 2003.
A Chinese lunar rover landed on the far side of the Moon in January 2019 in a global first that boosted Beijing's aspirations to become a space superpower.
The official Xinhua news agency described the latest mission as one of the most challenging and complicated in China's aerospace history.
The probe comprised separate craft to get to the Moon, land on it and collect the samples, get back up and then return the rocks and soil to Earth.
The return capsule entered the Earth's atmosphere at an altitude of about 120 km.
When it was about 10 km above land, a parachute opened and it landed smoothly, after which a search team recovered it, the space agency said.
Thomas Zurbuchen, a top official at Nasa's science mission directorate, congratulated China on the safe return of the capsule.
"The international science community celebrates your successful Chang’e 5 mission," he tweeted.
"These samples will help reveal secrets of our Earth-Moon system (and) gain new insights about the history of our solar system."
China will make some of the samples available to scientists in other countries, Pei Zhaoyu, deputy director of the Lunar Exploration and Space Program Center of CNSA, had previously said.
China's future space goals include creating a powerful rocket capable of delivering payloads heavier than those Nasa and private rocket firm SpaceX can handle, a lunar base, a permanently crewed space station, and a Mars rover. – AFP, December 17, 2020
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