Outline · being written

How the Moon formed

The leading idea for how the Moon formed, and the evidence for and against it.

The working diagram Two young planets colliding, and the ring of debris that became the Moon.

Page type: A lesson, led by a working diagram
Collection: Origins, the Solar System
When: About 4,520 million years ago to 4,450 million years ago, in the Hadean. The finished piece will give dates from its sources.
Status: Planned and outlined. Every fact in it will be checked against a named source and listed on Sources before it goes up.

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