ABC Póstcast
Dark matter
A new study of lunar rocks has shed light on the exact moment in which our satellite was formed
A new study of lunar rocks, brought to Earth by Apollo missions, has revealed that our natural satellite solidified approximately 4,430 million years ago, coinciding almost exactly with the moment when the earth was becoming a habitable world. This discovery offers a unique window to the first and turbulent moon times, a crucial period to understand the formation of our solar system.
The authors of this work focused on analyzing the composition of lunar rocks, especially a unique residue called Kreep. This acronym represents potassium (K), rare earth elements (REE) and phosphorus (P). The Kreep is a remnant of the Magma Lunar Ocean that solidified in the last stages of cooling, when approximately 99% of the magma had already crystallized.
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