T.REX AND THE CRATER OF DOOM

Sixty-five million years ago, a comet or asteroid larger than Mount Everest slammed into the Earth, inducing an explosion equivalent to the detonation of a hundred million hydrogen bombs. Vaporized detritus blasted through the atmosphere upon impact, falling back to Earth around the globe. Disastrous environmental consequences ensued: a giant tsunami, continent-scale wildfires, darkness, and c old, followed by sweltering greenhouse heat. When conditions returned to normal, half the plant and animal genera on Earth had peris hed.This ...[Llegir més]