Nobody sees it coming. An unidentified asteroid, just a couple miles wide, shatters Earth’s atmosphere with a deafening bang, craters its surface with the energy of a few million nuclear bombs. The shockwave flattens buildings like they’re made of dust. Millions of people, incinerated in the blink of an eye. After the initial blast, molten debris is ejected into the atmosphere and into Earth’s orbit, such that civilization’s final act is set in a rain of fire.
