This photo provided by the China National Space Administration (CNSA) shows Chang'e-5 probe gathering samples on the moon on Dec. 2, 2020. China's Chang'e-5 probe has completed sampling on the moon, and the samples have been sealed within the spacecraft, the CNSA announced Thursday morning. (CNSA/HANDOUT VIA XINHUA)

BEIJING - China's Chang'e-5 probe has completed sampling on the moon, and the samples have been sealed within the spacecraft, the China National Space Administration announced Thursday morning.

Launched on Nov 24, the spacecraft landed on the north of the Mons Rumker in Oceanus Procellarum, also known as the Ocean of Storms, on the near side of the moon on Dec 1 with a task to retrieve China's first samples from an extraterrestrial body.  

Launched on Nov 24, the spacecraft landed on the north of the Mons Rumker in Oceanus Procellarum, also known as the Ocean of Storms, on the near side of the moon on Dec 1 with a task to retrieve China's first samples from an extraterrestrial body

After the spacecraft worked for about 19 hours on the moon, the sampling ended at 10:00 pm Wednesday (Beijing Time), and the samples were stowed in a container inside the ascender of the probe as planned, said CNSA.

By using data sent back by the probe, researchers simulated the sampling procedure in a lab, providing an important basis for the operation on the moon.

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The probe has withstood temperatures of over 100 degrees Celsius on the lunar surface.

The probe has adopted two methods of moon sampling, including using drills to collect subsurface samples and grabbing samples on the surface with a robotic arm. Diverse samples at different sites have been gathered.

The moon samples have been sealed inside the spacecraft to ensure that they are kept in a vacuum and free from the influence of the external environment during its return to the Earth.

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The Chang'e-5 probe is equipped with multiple payloads including a landing camera, panorama camera, lunar regolith penetrating radar and lunar mineralogical spectrometer, which detects lunar surface topography and mineral composition, as well as the moon's shallow subsurface structure.

Before the sample drilling process, the lunar regolith penetrating radar analyzed the subsurface structure in the sampling area, offering data reference for sampling.

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