The Earth and Moon are formed from similar materials. Free Technical Library News

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The Earth and the Moon are formed from similar materials

03.02.2017

Scientists from the University of Chicago, led by Nicolas Dauphas, have shown that the material of our planet and its satellite have similar isotopic characteristics.

Studies show that the Earth formed from an isotopically homogeneous source. Shortly after the Earth formed about 4,5 billion years ago, its core attracted metal-like elements. And already after the completion of the formation of the nucleus, such elements coming from space were in the mantle.

The Moon is isotopically similar to the Earth. Based on new data, scientists describe the scenario for the formation of a satellite. A certain space "projectile" with a mass of Mars fell to Earth, which led to the formation of the Moon. Moreover, this cosmic body had a similar isotopic composition with our planet, due to which the characteristics of the materials of the Earth and the Moon are so similar.

The authors of the work also note that, in addition to the Earth and the Moon, many meteorites were also created from the same material.

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