Cosmos

A memento of annihilation–the Chicxulub crater.

An excerpt from the article 25 facts about Cosmos

It is located on the Yucatan peninsula under the waters of the Gulf of Mexico. The crater was formed about 66 million years ago as a result of the impact of a comet or asteroid with a diameter of 10 kilometers. It was this object that sealed the fate of the avian dinosaurs. The cater is 150 kilometers in diameter and 20 kilometers deep.