While the impact itself probably won't be visible from Earth, observers may have a chance to spot a plume of debris rising above the lunar surface.

A drifting SpaceX rocket stage will crash into the Moon, creating a significant crater and dust plume.

"The debris plume should reach roughly 15 to 20 km in altitude for the ejecta..."

Astronomers' simulations predict what the lunar impact—and its aftermath—will look like