Science • Astronomy • Curiosity on Instagram: "The Cataclysm That Ended the Dinosaurs☄️🦕 About 66 million years ago, a colossal meteorite estimated to be 10 to 15 kilometers wide struck what is now the Chicxulub Crater in Mexico, creating a massive impact site approximately 180 kilometers in diameter and initially 20 kilometers deep. This rock-metal space object slammed into Earth at an incredible speed of 20-30 kilometers per second, releasing energy equivalent to 10 billion times the atomic b