So an asteroid fell from space and caused a mass extinction of the dinosaurs. But where is the crater? We know impacts have left craters on the moon, earth, and other planets, But have we found one big enough to have been caused by the dinosaur asteroid?  Get comfy, grab a coffee in your favourite reusable cup, and check it out.  Follow Cosmic Coffee Time on Twitter for some special content twitter.com/CosmicCoffTime You can request a topic for the show! Email it to cosmiccoffeetime@gmail.com