Yutu-2 has yet to obtain data on the composition of the glass sphere and this could be an important target for future research to uncover how the moon first formed.
Planetary geologist Zhiyong Xiao of Sun Yat-sen University and the Chinese Academy of Sciences said it was difficult to know for sure where the glass ball came from.
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“Because most of the glass found in month so far it looks different from the orb found by Yutu-2. There’s a lot of glass in there, but it tends to be less than a millimeter in size.” SpaceWednesday (23/2/2022).
The glass ball that Yutu-2 discovered is much larger, with a width of 15 to 25 millimeters. Glass balls have also been found when the Apollo 16 mission was carried out but their size is much larger, namely 40 millimeters.
In addition to size issues, the glass balls found by Yutu-2 and Apollo 16 have other differences. Xiao explained, the far side ball seems to be translucent or semi-transparent, and has a glass-like luster.
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In addition to the two that seemed to be translucent, they found four more orbs that had a similar luster, but were not translucent.
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