As I mentioned in my book "The Earth, the Moon and the Aztecs", with tiny steps, my Halley-Aztec theory get confirmed.
Check the links below.

There Are Massive Chunks of Another Planet Inside Earth, Scientists Say. Is that you, Theia?

Scientists have discovered a new core at the center of the Earth

Scientists Found Something Extraordinary On Their Way To The Center Of The Earth

Giant, Mysterious Blobs Are Lurking at the Edge of Earth’s Core

Earth's Inner Core May Have Started Rotating in the Opposite Direction

Heart of Earth's inner core revealed

A Whole New Layer in Earth's Mantle

The center of the Earth is an iron ball with a radius of 650 kilometers

Magnetic mysteries of Earth's Core

New idea tackles Earth core puzzle

The Moon May Be Formed From Many Tiny Moons