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Originally posted by Damian-007
Ok, for all you geniuses out there.
If the Moon did, in fact, Come from our Earth as part of a Collision, Where is the Huge Piece missing from our Earth?
Originally posted by Mookite
All of the questions in this forum have been addressed by the two books by Don Wilson--Our Mysterious Spaceship Moon and Secrets of Our Spaceship Moon.
If you google "before there was a Moon" you will find that ancient civilizations talked about a time before there was a Moon in the sky.
And last but not least, Director Irwin Shapiro of Harvard SAO had said that the Moon is theoretically impossible ! He cannot explain how it got there.
Do you believe the moon is hollow, I am asking, cause in some ways, its seems with the density, non-linear gravity for planetismal body size 0.168 earth gravity compared to the 0.25 that it should be. These findings make me ask repeatitively, how can it be lacking 67 percent of the mass of a body that size, compared to the gravity felt.
How about volume? The volume of the Moon is 21.9 billion cubic km. Again, that sounds like a huge number, but the volume of the Earth is more like 1 trillion cubic kilometers. So the volume of the Moon is only 2% compared to the volume of the Earth.
Finally, let's take a look at mass. The mass of the Moon is 7.347 x 1022 kg. But the Earth is much more massive. The mass of the Earth is 5.97x 1024 kg. This means that the mass of the Moon is only 1.2% of the mass of the Earth. You would need 81 objects with the mass of the Moon to match the mass of the Earth.
The geological history of the Moon has been defined into six major epochs, called the lunar geologic timescale. Starting about 4.5 billion years ago, the newly formed Moon was in a molten state and was orbiting much closer to the Earth. The resulting tidal forces deformed the molten body into an ellipsoid, with the major axis pointed towards Earth.
The first important event in the geologic evolution of the Moon was the crystallization of the near global magma ocean. It is not known with certainty what its depth was, but several studies imply a depth of about 500 km or greater. The first minerals to form in this ocean were the iron and magnesium silicates olivine and pyroxene. Because these minerals were denser than the molten material around them, they sank. After crystallization was about 75% complete, less dense anorthositic plagioclase feldspar crystallized and floated, forming an anorthositic crust about 50 km in thickness. The majority of the magma ocean crystallized quickly (within about 100 million years or less), though the final remaining KREEP-rich magmas, which are highly enriched in incompatible and heat producing elements, could have remained partially molten for several hundred million (or perhaps 1 billion) years.
...if you look at some of the pictures from the old Apollo moon landings, you can clearly see that the shadows are going in different directions, this cannot happen naturally...