In the following video, astrophysicist Neal deGrasse Tyson predicts that Apophis, a near-Earth asteroid named after an evil demon in Egyptian mythology, may collide with Earth in April 2029, plunging into the Pacific, and creating a tsunami that would “ablates the entire coastline, wiping it clean of all traces of civilization.” Now, that’s a cheerful way to start a Monday morning, isn’t it?