Asteroide que levou ao fim dos dinossauros tinha material raro

The asteroid that famously ended the dinosaurs' reign 66 million years ago was composed of a rare type of carbonaceous chondrite, a primitive and uncommon kind of rocky meteorite, unlike the more common iron or stony meteorites typically found in museums. This rare material offers insight into the composition of early solar system bodies and underscores the unique circumstances that led to the mass extinction event. Understanding the asteroid's composition helps scientists reconstruct the environmental impact and offers clues about the processes that shaped early Earth's ecosystems.