I think that a very advanced civilization sent this.............to both kill off the dinos............thereby creating fossil fuels down the line....................making room for us bozos who are busy destroying everything good...................they hid treasure............a metal rock 6 miles tall...............................an alien trojan horse............

Cretaceous: Extinction of the Dinosaurs

paleobiology.si.edu/geotime/.../cretaceous4.html

Smithsonian Institution

About 65 million years ago the second greatest mass extinction in Earth history ...that dinosaurs were already in decline before the asteroid impact, so that its  ...

Cretaceous–Paleogene extinction event - Wikipedia, the ...

https://en.wikipedia.org/.../Cretaceous–Paleogene_extinction_e...

Wikipedia

... generally believed that the K–Pg extinction was triggered by a massive comet orasteroid impact 66 million years ago and its catastrophic effects on the global  ...

‎Chicxulub crater - ‎K-T boundary - ‎Chicxulub impactor - ‎Impact winter

Chicxulub crater - Wikipedia, the free encyclopedia

https://en.wikipedia.org/wiki/Chicxulub_crater

Wikipedia

... from roughly 66 million years ago, the end of the Cretaceous period, and the ... 2.1 Effects; 2.2 Geology and morphology; 2.3 Astronomical origin of asteroid  ...

Chicxulub impactor - Wikipedia, the free encyclopedia

https://en.wikipedia.org/wiki/Chicxulub_impactor

Wikipedia

Geological evidence shows that the impact dates from the end of the Cretaceous, approximately 66 million years ago. The impact is implicated in causing the  ...

Dinosaur Extinction - National Geographic

science.nationalgeographic.com/.../dinosaur...

National Geographic Society

Sixty-five million years ago the last of the non-avian dinosaurs went extinct. So too ...when a comet or asteroid struck somewhere on Earth and then vaporized.

Dinosaur-Killing Asteroid Triggered Global Winter 66 Million ...

news.nationalgeographic.com/.../140512-ast...

National Geographic Society

May 14, 2014 - The massive asteroid impact that ended the age of dinosaurs some 66 million years ago triggered a decades-long, deadly, global "impact  ...