Chang鈥檈-4 rover back at work on the far side
Print Edition
The lander and rover of the Chang鈥檈-4 probe have resumed work for the fifth lunar day on the far side of the moon after 鈥渟leeping鈥 during the extremely cold night.
The lander reactivated at 7:40am yesterday, while the rover, Yutu-2 (Jade Rabbit-2), reactivated at 1:45pm on Sunday.
Both are in normal working conditions, according to the Lunar Exploration and Space Program Center of the China National Space Administration.
The rover has traveled 178.9 meters on the moon and worked about one month longer than its designed life.
China鈥檚 Chang鈥檈-4 probe, launched on December 8, 2018, made the first soft landing on the Von Karman Crater in the South Pole-Aitken Basin on January 3.
A lunar day equals 14 days on Earth, and a lunar night is the same length. The Chang鈥檈-4 probe switched to a dormant mode during the lunar night due to the lack of solar power.
As a result of the tidal locking effect, the moon鈥檚 revolution cycle is the same as its rotation cycle and the same side always faces Earth.
The far side of the moon has unique features and scientists expect Chang鈥檈-4 could bring breakthrough findings.
The scientific tasks of the Chang鈥檈-4 mission include low-frequency radio astronomical observation, surveying the terrain and landforms, detecting the mineral composition and shallow lunar surface structure and measuring neutron radiation and neutral atoms.
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