Question: If the moon is the earths only natural satellite does it do anything that helps scientists study earth and the solar system?

Eimear Tuohy answered on 27 Feb 2018:

The moon is very important for studying Earth’s past. Constant weathering and erosion of the earth’s surface means our rocks do not hold information about Earth’s early formation. By studying the geology of the moon, we can gain an understanding of what the Earth was like 4.5 billion years ago. I was lucky enough to get to examine a slice of moon rock under a microscope when I studied geology. The crystals were