LearningCausesv1

Sun angle changes the length of a shadow

A lower light angle projects an obstruction farther across a surface.

Reddit
Output
A long morning shadow, short midday shadow and long evening shadow
Input
The same upright object observed through the day
Relationship

What connects the input and output?

As the apparent position of the Sun changes, the angle of incoming light changes. Low-angle light creates a longer projection.

Sources

1
  1. spaceplace.nasa.gov: Sun angle changes the length of a shadowspaceplace.nasa.govUS-PUBLIC-DOMAIN

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