Here’s what happened in the impact crater the day it did in the dinos

Geology is a big science. The Earth is a large enough place today, but when you stretch the fourth dimension back across many millions of years, the largeness can get out of hand. Because we lose a lot of detail to the ravages of time, it's very difficult for geology to get small again—to tell us about what happened in individual locations or over short periods of time.
Read more: https://arstechnica.com/science/2019/09/heres-what-happened-in-the-impact-crater-the-day-it-did-in-the-dinos/?source=Snapzu