1.5 million more years on the clock. Researchers at the Center for Petrographic and Geochemical Research (CRPG) based near Nancy (Meurthe-et-Moselle) have discovered that the solar system is 4568.7 million years old and not 4567.2 million years old. Work published in the scientific journal icarus.
The discovery, reported by our colleagues from republican lorraineit has been validated after several years of research and makes it possible to establish “a coherent chronology of the formation of solids, which preceded the birth of planets and asteroids”, according to the CNRS researcher and deputy director of the CRPG Yves Marrocchi.
Chunks of meteorite analyzed
It is thanks to an ionic probe, and under the impulse of a young researcher, Maxime Piralla, that the dating of the Sun’s planetary system was possible. There are several methods to date it: one is uranium-lead dating, the other is aluminum-magnesium dating. Each gave a different age of the solar system.
By analyzing meteorite fragments, the probe allowed us to date the appearance of chondrules (small balls of metals and minerals) during the condensation of the solar nebula and therefore the birth of the solar system. It was by giving them the age of 4568.7 million years that the researchers established that it was the age of the solar system.
Source: BFM TV
