![](http://www.ecns.cn/hd/2022/09/13/9ec5dd86e6144914b073e10ba2a73ec6.jpg)
Photo released on Sept. 12, 2022 shows the TEM image of the mineral surface microstructure of lunar samples brought back by Chang'e-5 probe. (Photo provided to China News Service)
Chinese scientists' research showed the lunar soil samples contain high content of water due to the contribution of solar wind protons.
![](http://www.ecns.cn/hd/2022/09/13/bcc603e0cf38446ea0a5890688d38aaa.jpg)
Photo released on Sept. 12, 2022 shows depth distribution characteristics of water in lunar minerals brought back by Chang'e-5 probe. (Photo provided to China News Service)
![](http://www.ecns.cn/hd/2022/09/13/4d5af62ffdc942db8685f89d834a2972.jpg)
Photo released on Sept. 12, 2022 shows water content and hydrogen isotope composition of lunar grains brought back by Chang'e-5 probe. (Photo provided to China News Service)