How much lunar soil was delivered to Earth by the automatic stations of the USSR and the Apollo crew, and what did the studies of this soil show?
About 400 kg of lunar soil were delivered to Earth. There are almost no minerals on the moon that differ from the earth. The set of minerals and their composition turned out to be poorer than on Earth. Lunar rocks are dominated by silicates and oxides, phosphates, sulfites, and carbites are found. No signs of life or organic compounds were found on the Moon.
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