<img alt=“earthrise.jpg” src=“https://blogs.nature.com/news/blog/earthrise.jpg” width=“300” height=“225” align=right border=0 hspace=10px />
A contemporary article in Science discussed how geologists might use lunar samples to establish the age of the lunar crust: [pdf]. The age of such rocks and their chemical composition could help geologists determine whether the Moon was formed gradually from dust in the solar system, or formed by a cataclysmic encounter between pre-existing planets in the early solar system.
For a modern overview of Moon formation theories check out this NASA site: https://bit.ly/dxoUE
The Moon’s history is intimately tied to Earth’s. Photo: NASA
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