简介 An asteroid much larger than that which caused the Chicxulub Crater is attacked by a ten-megaton nuclear warhead minutes before its collision with Earth, breaking it i nto three pieces, the largest of which bounces off the Earth's atmosphere. This "substantially changes the Earth's orbit", due to the amount of energy released by the asteroid piece (the size of Iceland) bouncing off the atmosphere resulting in a predicted increase in temperature to 151 Fahrenheit within five days. Authorities decide to inform the public of the problem after two days, touching off a wave of l...