A drifting SpaceX rocket is on a collision course with the moon after launching a pair of lunar landers more than a year ago. The rocket’s upper stage will unintentionally slam into the moon Wednesday,

It will be just the second known case of a rocket unintentionally hitting the moon, though the pockmarked lunar surface is evidence that it has taken many hits over its lifetime.

A drifting SpaceX rocket is on a collision course with the moon after launching a pair of lunar landers more than a year ago.

A drifting SpaceX rocket is on a collision course with the moon after launching a pair of lunar landers more than a year ago. The rocket’s upper stage will unintentionally slam into the moon on Wednesday,