The Moon Likely Turned Itself Inside Out 4.2 Billion Years Ago

During its early years of formation, the Moon may have undergone a dramatic process as a dense layer of material sunk deeper into its interior, mixed with the lunar mantle, and made its way back to settle on the surface. A team of researchers from the University of Arizona found new evidence that supports one of the wildest formation theories for the Moon , which suggests that Earth’s natural satellite may have turned itself inside out a few million years after it came to be.

“And so we linked these rocks to the whole evolution of the Moon, we think these rocks are the vestiges of the early dynamic evolution of the Moon.” When it first formed, the Moon was covered in an ocean of magma. As this ocean cooled and solidified, the less dense layers at the top began crystalizing, forming the Moon’s mantle and the crust. Beneath the surface and closer to the Moon’s core, however, the more dense layers took longer to crystalize.

Gravimetry Adrien Broquet Technology Internet Gravity Anomaly GRAIL Environment Lunar Science Titan Geodesy Gravity Of Earth Planetary Core Gizmodo

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