Rare Meteorite Reveals Evidence of a Lost Ancient Planet

A lost planetary embryo, potentially as large as the moon or Mars, shattered 4.5 billion years ago after colliding with another celestial body. Scientists confirmed the existence of this protoplanet by analyzing the Northwest Africa (NWA) 12774 angrite meteorite, which contains high-pressure mineral signatures inconsistent with small asteroids. According to research published in Earth and … Read more