The regolith on the moon's far side is sticker than the near side - Universe Today by AndyTomaswick
A map of the path the rover has taken, as well as the wheel slippage rates on each day of travel.Now a new paper discusses a topic that is an unusual data source – how the Yutu-2 rover that is part of the Chang’E-4 mission has been moving. Published in Science Robotics, the paper discusses the various trials and tribulations that the rover has experienced while navigating a side of the moon that radio signals from Earth cannot directly reach.
The signal bouncing required to communicate Yutu-2 hasn’t slowed the rover down, though. What has slowed it down is its wheels slipping and sliding in some spots and getting clogged with dirt in others. Yutu-2 appears to be navigating a series of gentle slopes that regularly cause slight slippage of its wheels, which is caused by material similar in texture to sandy loam on Earth.
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