China Prepares Moon Probe to bring Back Lunar Rocks
China is preparing to launch an unmanned spacecraft on Tuesday to bring back lunar rocks, the first attempt by any nation to retrieve samples from the moon in four decades.
Beijing is pouring billions into its military-run space programme, with hopes of having a crewed space station by 2022 and of eventually sending humans to the moon.
The Chang’e-5 probe, named after the mythical Chinese moon goddess, aims to shovel up lunar rocks and soil to help scientists learn about the moon’s origins, formation and volcanic activity on its surface.
The mission is set to take off from the Wenchang space centre on the southern island province of Hainan, according to the official Xinhua news agency.
The China National Space Administration (CNSA) said on its WeChat social media account the launch was planned for between 4am and 5am on Tuesday (20:00 GMT and 21:00 GMT Monday).
The original mission, planned for 2017, was delayed because of engine failure in China’s Long March 5 launch rocket.
If successful, China will be only the third country to have retrieved samples from the moon, following the United States and the Soviet Union in the 1960s and ’70s.
Technically challenging
The Chinese probe will collect 2kg (4.4 pounds) of surface material in a previously unexplored area known as Oceanus Procellarum – or “Ocean of Storms” – which comprises a vast lava plain, according to the science journal, Nature.
If successfully launched, the probe is expected to land on the moon in late November and collect material during one lunar day – equivalent to around 14 Earth days.
The samples will be returned to Earth in a capsule programmed to land in northern China’s Inner Mongolia region in early December, according to US space agency NASA.
The mission is technically challenging and involves several innovations not seen during previous attempts at collecting moon rocks, said Jonathan McDowell, an astronomer at the Harvard-Smithsonian Center for Astrophysics.
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“The US never did a robotic sample return. The Soviet one was very limited and could only land at certain restricted spots,” McDowell told AFP news agency.
“China’s system will be the most flexible and capable robotic sample return system yet.”
A Chinese lunar rover landed on the far side of the moon in January 2019 in a global first that boosted Beijing’s ambitions to become a space superpower.
It was the second Chinese probe to land on the moon, following the Yutu, “Jade Rabbit”, rover mission in 2013.
The latest Chang’e-5 probe is among a slew of ambitious targets set by Beijing,
which include creating a super-powerful rocket capable of delivering payloads heavier than those NASA and private rocket firm SpaceX can handle, a moon base, a permanently crewed space station and a Mars rover.
