The Moon was once part of the Earth: these are the evidences that prove it


How was the Moon? The leading theory is that an object the size of Mars it hit Earth millions of years ago, and the debris formed our satellite. However, how can this be verified? A group of scientists set out to do it and the results are promising.

Researchers of the Swiss Federal Institute of Technology analyzed lunar meteorites recovered by NASA in the early 2000s. What they discovered may provide answers about the origins of the natural satellite.

The investigation, led by Patricia Will, is called Autochthonous Noble Gases in the Interior of the Moon, and was published in Science Advances. Along with her worked Henner Busemann, My Riebe and Colin Maden.

The analyzed elements were found in Antarctica in the early 2000s: they are six lunar meteorites.

On the rocks, Will and his companions they found helium and neon trapped in tiny glass beads, that were formed in volcanic eruptions on the lunar surface. The gases are known as noble, since they are relatively unreactive, and appear to have originated on Earth.

The NASA coincides with the theory of the formation of the Moon from the Earth, and in this video he explains it.

After the impact, a disk of material displaced by the collision, called synestia, would have formed around the Earth. The amount of neon and helium discovered in lunar samples supports the theory that our satellite formed from this material.

The discovery and the possibility of learning more about the water content on the Moon

The researchers took the rocks to the Noble Gas Laboratory at ETH Zurich, and They analyzed them with an advanced mass spectrometer. This instrument determines what is in a chemical based on its individual molecules.

The machine allowed scientists to study the composition of glass beads in meteorites, finding the tiny traces of helium and neon inside them.

Highly detailed photo of the Moon

“We conclude that the Moon inherited noble gases indigenous to the Earth’s mantle by the lunar-forming impact,” point out the researchers, who also highlight that the finding of noble gases in the natural satellite could also inform about its water content.

“If the Moon is wetter than we thought,” says Busemann, quoted by Wired, “It adds more possibilities to find resources that we might want to use.”

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