Uncovering the Secrets of the last day of Dinosaurs! Documentry

Around 75% of Earth's animals, including dinosaurs, suddenly died out at the same point in time. So how was this global mass extinction caused by a rock hurtling into the coast of Central America?

Paul explains, 'The asteroid hit at high velocity and effectively vaporised. It made a huge crater, so in the immediate area there was total devastation. A huge blast wave and heatwave went out and it threw vast amounts of material up into the atmosphere.

'It sent soot travelling all around the world. It didn't completely block out the Sun, but it reduced the amount of light that reached the Earth's surface. So it had an impact on plant growth