People. Computers. Computer vision. KIC 8462852.
Extinction level events. Dinosaur impact. Impactor scales.
Meteors, meteorites, meteors, comets, asteroids.
Gentle (nuclear bombs), and less gentle (gravity tug) methods of redirecting impactors.
Tunguska, dinosaur impact. The difference between a small number of large impacts and a large number of small ones.
Floods, atmospheric disruption, a world aflame from the heat of a million impactors.