How Mexico Looked the Day an Asteroid Ended the Age of Dinosaurs

66 million years ago, an asteroid struck what is now Mexico's Yucatán Peninsula — and in a single afternoon, it ended the age of dinosaurs. This is the story of the Chicxulub impact: the fireball, the mega-tsunami, the sulfur-driven impact winter, and the collapse that rewired the future of life on Earth. Timestamps 00:00 – The last ordinary day of the Cretaceous 01:35 – Yucatán before impact: a thriving prehistoric sea 04:10 – The asteroid: size, speed, and trajectory 06:50 – The moment of impact 09:20 – The mega-tsunami 11:00 – Why the gypsum made it worse 13:30 – A global firestorm 16:00 – Impact winter and the collapse of photosynthesis 18:40 – The food chain unravels 21:10 – Ocean acidification and the death of the ammonites 23:30 – How we found the crater: the Alvarez hypothesis 26:00 – What survived — and why 28:20 – The rise of the mammals 30:40 – The cenotes: Chicxulub's hidden legacy today 32:30 – Closing reflection Subscribe to DeepTime Earth for more journeys through the deep history of our planet — mass extinctions, lost worlds, and the science that rebuilds them from stone. #Chicxulub #DinosaurExtinction #DeepTimeEarth