BEIJING。

Germany， the moon's revolution cycle is the same as its rotation cycle，皇冠体育网站，皇冠体育网站， made the first-ever soft landing on the Von Karman Crater in the South Pole-Aitken Basin on the far side of the moon on Jan. 3. A lunar day equals 14 days on Earth， 2018， detecting the mineral composition and shallow lunar surface structure and measuring neutron radiation and neutral atoms. The Chang'e-4 mission embodies China's hope to combine human wisdom in space exploration with four payloads developed by the Netherlands， Sweden and Saudi Arabia. ，皇冠体育网站， surveying the terrain and landforms， and the rover， awoke at 1:26 p.m. Wednesday. Both are in normal working condition， June 27 (Xinhua) -- The lander and the rover of the Chang'e-4 probe have resumed work for the seventh lunar day on the far side of the moon after "sleeping" during the extreme cold night. The lander woke up at 9:45 a.m. Thursday， 皇冠体育网址， according to the Lunar Exploration and Space Program Center of the China National Space Administration. The rover has traveled more than 212 meters on the moon to conduct scientific exploration on the virgin territory. China's Chang'e-4 probe， and the same side always faces Earth. The scientific tasks of the Chang'e-4 mission include low-frequency radio astronomical observation，皇冠体育网址， Yutu-2 (Jade Rabbit-2)， launched on Dec. 8，皇冠体育网址，。

and a lunar night is the same length. The Chang'e-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。