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When did our solar system's planets form? Discovery of tiny meteorite may challenge the timeline

Analysis of an ancient meteorite suggests that rocky planets both near and distant from the sun may have formed at the same ...
Nature

The origin of the oldest solid objects in the Solar System

Most of our knowledge about the Solar System’s formation and evolution comes from the study of extraterrestrial rock samples called chondritic meteorites. These rocks, which are fragments of asteroids ...