A moment that changed the world forever!⁣ ⁣ This British Science Week, we revisit when Chris Packham explored how an asteroid ended the era of the dinosaurs on earth.⁣ ⁣ #Earth #Asteroid #Dinosaurs #ChrisPackham #Throwback ⁣ ⁣ Earth: There's nothing else like it. Chris Packham reveals the epic, 4.5-billion-year story of our home - from its dramatic creation to the arrival of human life... and whatever's next.