A piece of earth that could have been 4.1 billion years old and described as the "oldest rock" on the planet was possibly found and excavated by Apollo astronauts on the moon, according to a new study.
The potential relic was discovered and excavated in 1971, and scientists believe it was sent from Earth thanks to a strong impact, possibly an asteroid or a comet. After colliding with the Moon (which was three times closer to Earth than it did now), it mixed with other Moon surface materials.
"It is an extraordinary find that provides a better picture of the early Earth and the Moon's bombardment, which has changed our planet at the beginning of life," said co-author of the study, David Kring, scientist of the Universities Space Research Association (USRA) at the Lunar and Planetary Institute in Houston, in a statement.
MOON ROCKS RESTORED BY SOVIET SPACE MISSION SELLING FOR $ 855G
In analyzing the lunar samples collected by the Apollo 1
The scientists added that it is possible that the sample was crystallized on the moon, but "this would require conditions never previously extracted from lunar samples" and would have had to be generated at a tremendous depth where different compositions exist to be expected. 19659003] The study was published in the journal Earth and Planetary Science Letters .
The rock crystallized approximately 20 kilometers (20 miles) below the Earth's surface between 4.1 billion and 4 billion years ago
THE LIFE ON THE EARTH CAN AGO FROM THE COLLISION WITH THE OLD PLANET MORE THAN 4 BILLION YEARS AGO
come. It is possible that the rock has again reached the lunar surface added. It was partially melted, buried and then excavated about 26 million years ago by another impact.
This collision led to the formation of the cone crater explored by Apollo 14 astronauts Alan Shepard and Edgar Mitchell.
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