The more we advance in time, the more our previous acquaintances on our planet evolve. Each new discovery is an opportunity to “update” on the history of the earth as well as that of life. On March 6, 2025, a study published in Nature Communications reported a surprising discovery: the new oldest crater of meteorite impact in the history of our planet.
The origins of life discovered?
This is not a surprise, at the first lights of the solar system, chaos reigned everywhere and the earth, like the other planets of our neighborhood, has experienced bombardments of meteorite.
The most speaking evidence of this time can be observed directly on the surface of our natural satellite, but also and of course on earth. And today, thanks to many discoveries, we were able to trace, step by step, the tumultuous history of our planet of his training, to the appearance of life and this.
And for Professor Chris Kirkland, from the University of Curtin (Perth, Australia), the discovery of the oldest meteorite impact crater could answer many questions in addition to discovering the place where life has started to develop in a massive way on the planet.
“” “The discovery of this impact and others dating from the same time could largely explain how life was able to start, because the craters of impact created environments conducive to microbial life, such as hot water pools. ” said the scientist in remarks reported by The Independent.
In other words, with the discovery of this crater, we could potentially come back to the very origins of life and know almost precisely where it started to develop on earth.
And much more?
If we have potentially got their hands on one of the places where life has been able to start its long evolution since its appearance on earth 3.8 billion years ago until today and, we hope, for a long time. It is not the only thing that is highlighted by Australian researchers.
Indeed, the discovery of this impact crater also makes it possible to ask the question on the very formation of the earth's crust. The one on which life, after 3.4 billion years to be aquatic, then developed.
“” “She [la découverte] radically refines our understanding of the formation of the earth's crust: the enormous amount of energy released by this impact could have played a role in the formation of the primitive earthly crust […]He may even have contributed to the formation of crate, who are large stable land masses who have become the foundations of the continents“Explained Chris Kirkland to the British media.
In other words, if we have a soil on which to walk, build and live, we can say a big thank you to the meteorites who bombed the earth from an early age.
Source : The Independent
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