A stunning grayscale image captured by the Cassini spacecraft shows Saturn's rings casting intricate shadows on the planet's southern hemisphere. The rings appear as a vertical line on the right, with sunlight filtering through them to create complex shadow patterns on the left. This image illustrates how Saturn's rings act as a large-scale sundial, indicating the season on the planet.

Astronomy Picture from 12/10/2011

Saturn: Shadows of a Seasonal Sundial

Source: https://apod.nasa.gov/apod/ap111012.html


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