New studies show that the Earth and the Moon differ in the isotopic composition of oxygen

The Earth and the Moon were formed as a result of the collision of two protoplanetary bodies. Scientists once again examined the samples that were collected as part of the Apollo mission. Oxygen isotope levels were made and small but regular differences in composition were revealed here. Researchers are still wondering exactly how the moon could have formed.

Earth arose about 4.5 billion years ago from a protoplanetary disk. The moon is the only natural satellite of our planet.

Theoretically, the chemical composition of both bodies should be clearly different. However, the moon has much in common with the minerals that make up the earth. The researchers decided to take another look at the samples collected during the Apollo mission. Tests of oxygen isotope levels were conducted, and an interesting discovery was discovered.

It turned out that there are minimal but regular differences in the isotopic composition of oxygen, and this depends on the type of lunar rock being tested. This sheds new light on the differences between the composition of the Earth and the Moon.

Scientists suggest that during the collision of the Earth with Thea, a mixture of bodies occurred. This was followed by phenomena that can be described as lava flowing and therefore, depending on the samples, greater or lesser differences with the minerals of the Earth were obtained.

Scientists want to do more research, but the problem is a small number of samples from the moon. Access to the rocks obtained during the Apollo mission is limited.

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