Even though the bright return stroke of lightning travels from the ground up to the cloud, it happens so quickly that our eyes cannot resolve the motion, and we see what appears to be a continuous bright flash of light.

Question

Quizplus · Accepted Answer

The bright return stroke of lightning does indeed travel from the ground up to the cloud, but because this process occurs so rapidly, our eyes are unable to discern the individual movements, leading us to perceive it as a singular, continuous flash.

Even Though the Bright Return Stroke of Lightning Travels from the Ground