How long was the Moon established before the earliest evidence of life on Earth appeared?

Answer

Nearly a billion years

The Moon formed about 4.51 billion years ago, and the span of life on Earth, evidenced by the fossil record, is about 3.7 billion years old, meaning the Moon was well-established for nearly a billion years prior.

How long was the Moon established before the earliest evidence of life on Earth appeared?
GeologyevolutionastronomyMoonPrehistory