Zhinyu is a lunar impact crater that is located within Von Kármán crater on the far side of the Moon. The crater is located west of the landing site of the Chinese Chang'e 4 lander.[1] The best fit model of the crater impactor suggest a projectile with a diameter of 224 m and a velocity of 17 km/s.[2]
 LRO mosaic | |
| Coordinates | 45.34°S 176.15°E |
|---|---|
| Diameter | 3.8 km |
| Depth | Unknown |
| Eponym | Constellation name in ancient Chinese star map |
The crater's name was approved by the IAU on 4 February 2019.[3] It is named after the Chinese mythical figure Zhinü, the “weaver girl” (织女; 織女; Zhīnǚ) from the traditional myth The Cowherd and the Weaver Girl, as well as an ancient Chinese constellation.[3]
This is a young crater with a diameter of about 3.8 km and a depth of around 800 m. This impact penetrated the 320 m deep basalt mare deposits in the Von Kármán crater, thus providing information about the subsurface deposits. The ejecta from the Zhinyu crater varies radially by distance, suggesting a heterogeneous composition. It displays three layers of separate deposits from the mare, but the composition of the layers is similar and may have a common origin.[4]
References
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