Why is the Asteroid theory the most accepted theory?

Answer 1

Iridium is rare on earth, but plentiful in meteorites. The Alvarez's suggested that a huge asteroid or comet, hit the Earth at that time. The result of such a force would be a gigantic explosion that would throw dust clouds into the sky, darkening the planet. Massive forest fires caused by the hit would also add smoke to the sky. which would then cause climate change ending the dinosaurs rein. As dinosaurs can not keep there body temp. Thats some of the evidence that i am using in my case study about dinosaurs. :-) Hope this helps xx

Answer 2

The asteroid theory, also known as the impact hypothesis, is the most accepted explanation for the mass extinction of the dinosaurs because of the compelling evidence found in the geological record, most notably the presence of a worldwide layer of sediment enriched in iridium, which is rare on Earth but common in asteroids. Additionally, the discovery of the Chicxulub crater in Mexico further supports this theory, providing a smoking gun for the impact event that led to the mass extinction.