Did Earth 'swallow' part of the embryonic planet Theia?

This simulation hypothesizes that a planet named Theia collided with early Earth 4.5 billion years ago.

The first mystery that has always puzzled every citizen of Earth, from scientists to young children, is: where did the moon come from?

The theory currently gaining support is that the moon was created approximately 4.5 billion years ago when a Mars-sized planetary embryo collided with Earth, which was then in the process of formation.

The result of a fiery collision between the young Earth and the embryonic planet Theia ejected a massive amount of debris into space, leading to the formation of the moon.

However, after decades of effort, scientists have still been unable to find evidence of Theia's existence in space around Earth.

A new report, led by the US and published in the journal Nature, suggests they may have been heading in the wrong direction.

Two mysterious masses of material clinging to the Earth's interior.

Located nearly 2,900 kilometers underground, two gigantic, oddly shaped masses of material have baffled geologists since their existence was discovered following seismic activity in the 1980s.

Continent-sized blocks of material lie near the bottom of the mantle, with one block beneath Africa and another beneath the Pacific Ocean.

Now, according to a new hypothesis, they may be the "buried remains" of the embryonic planet Theia, thought to have merged with Earth after a collision event billions of years ago.

If this hypothesis is proven in future studies, earth scientists will finally have solved two mysteries at once.

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