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The most ancient stone of the Earth was discovered… on the moon

Analysis of lunar soil brought back by astronauts of mission “Apollo-14”, showed the presence of one of the samples of particles of minerals, whose origin is an international group of scientists from Sweden, Australia and the US connects with the Earth. The article describes the research published in the journal Earth and Planetary Science Letters. Researchers believe that in their hands was a piece of a meteorite with the Earth that falls on the satellite of our planet about 3.9 billion years ago.

Самый древний камень Земли был обнаружен… на Луне

“This is an extraordinary discovery, allowing us to draw a more complete picture of the early Earth and the system Earth-Moon as a whole,” says planetary scientist David Kring of the Institute of moon and planets.

So how the ground minerals been found in the lunar soil? Scientists suggest that about 4 billion years ago when Earth was only about 540 million years, our planet could fall a small celestial body (meteorite or asteroid), raised part of the “breakaway” earth rocks into space.

Самый древний камень Земли был обнаружен… на Луне

Comparison of the distance between the Moon and Earth

Since that time, the Moon was located three times closer to our planet than it is now, after some time, the breed settled on the moon’s surface, specifically in the lunar crater Cone, where the “expected” all this time the expedition “Apollo-14”.

Detection of particles of zircon in the sample is largely helped scientists, because this mineral contains uranium, whose half-life scientists are well known. Based on this, experts have determined that the rock was formed approximately 4-4,1 billion years ago, presumably at a depth of 20 kilometers.

The researchers add that their assumption is the most likely of the obvious. At least, it is doubtful that the moon was ever so worldly conditions. However, to test the hypothesis will need new samples of lunar soil, which may also contain the minerals discovered. By the way, in the next decade, scientists may indeed be able to get them. Recall that NASA plans to not only return humans to the moon, but for a long time to gain a foothold there.

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