The far side of the moon taken by the Chang'e-4 lunar probe is seen in this image provided by the China National Space Administration, Jan. 3, 2019. China's lunar rover, Yutu-2, or Jade Rabbit-2, left the first ever "footprint" from a human spacecraft on the far side of the moon late Thursday night, after it separated from the lander smoothly. (Photo provided to China News Service)
A view of the Chang'e-4 lunar probe in this image provided by the China National Space Administration, Jan. 3, 2019. China's lunar rover, Yutu-2, or Jade Rabbit-2, left the first ever "footprint" from a human spacecraft on the far side of the moon late Thursday night, after it separated from the lander smoothly. (Photo/Xinhua)