Especially since there is virtually no evidence left of the Earth from its initial creation. Most of the evidence, long gone due to Earth's extremely rocky departure, through constant meteor attacks, different inhabitants, etc. The fact that the Moon is essentially a fingerprint of the Earth holds many answers to the mystery and allows science to go further. in depth what things were like on planet Earth billions of years ago. It was found that the creation of the Moon itself was caused by a large impact on the planet. It was also determined that the Moon was moving further and further away from the Earth, causing the Earth's rotation to slow down, and finally, because of the Moon. Earth has stable seasons that prevent the planet from being either a large burning wreck habitable to humanity, or a giant ball of ice also habitable to humanity. Overall, as the film "Origins, Fourteen Billion Years of Cosmic Evolution: Earth Is Born" discovers, the Moon is a necessary part of our planet and one of many keys to unlocking its many