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The lander and rover of the Chang’e-4 probe have resumed work for the ninth lunar
day on the far side of the moon after “sleeping” during the extremely cold night.上海千花坊女神会所
The lander woke up at 8:10 am Sunday, and the rover, Yutu-2 (Jade Rabbit-2), awoke at 8:42 am Saturday, according to the L
unar Exploration and Space Program Center of the China National Space Administration.
上海千花坊For the ninth lunar day, the lander’s neutron radiation detector and low-frequency ra
dio detector, as well as the rover’s infrared imaging spectrometer and other instruments will be restarted to co
nduct scientific tasks including moon surface observation and composition analysis.上海千花坊女神会所
China’s Chang’e-4 probe, launched on Dec 8, 2018, made the first-ever soft landing o
n 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, and a lunar night is the same length. The Cha上海千花坊
ng’e-4 probe switches 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’s revolution c
ycle is the same as its rotation cycle, and the same side always faces Earth上海千花坊女神会所
The scientific tasks of the Chang’e-4 mission include low-frequency radio astro
nomical observation, surveying the terrain and landforms, detecting the mineral comp
osition and shallow lunar surface structure and measuring neutron radiation and neutral atoms.上海千花坊女神会所
The Chang’e-4 mission embodies China’s hope to combine human wisdom in space exploratio
n with four payloads developed by the Netherlands, Germany, Sweden and Saudi Arabia.