Saturn’s spectacular rings are remarkably wide yet extraordinarily thin, and they are tilted relative to the planet’s orbital plane around the Sun. Approximately every 15 years, the rings appear perfectly edge-on from our perspective, aligning perpendicular to the line of sight to the Sun. During these rare alignments, several of Saturn’s moons can cast crisp shadows onto the rings themselves. This captivating time-lapse sequence captures four icy moons—Enceladus, Mimas, Dione, and Tethys—as the

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